19948500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 288

約数和(自身を含む): 76317696

約数和(自身を除く): 56369196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 25, 26, 30, 31, 33, 36, 39, 44, 45, 50, 52, 55, 60, 62, 65, 66, 75, 78, 90, 93, 99, 100, 110, 117, 124, 125, 130, 132, 143, 150, 155, 156, 165, 180, 186, 195, 198, 220, 225, 234, 250, 260, 275, 279, 286, 300, 310, 325, 330, 341, 372, 375, 390, 396, 403, 429, 450, 465, 468, 495, 500, 550, 558, 572, 585, 620, 650, 660, 682, 715, 750, 775, 780, 806, 825, 858, 900, 930, 975, 990, 1023, 1100, 1116, 1125, 1170, 1209, 1287, 1300, 1364, 1375, 1395, 1430, 1500, 1550, 1612, 1625, 1650, 1705, 1716, 1860, 1950, 1980, 2015, 2046, 2145, 2250, 2325, 2340, 2418, 2475, 2574, 2750, 2790, 2860, 2925, 3069, 3100, 3250, 3300, 3410, 3575, 3627, 3875, 3900, 4030, 4092, 4125, 4290, 4433, 4500, 4650, 4836, 4875, 4950, 5115, 5148, 5500, 5580, 5850, 6045, 6138, 6435, 6500, 6820, 6975, 7150, 7254, 7750, 8060, 8250, 8525, 8580, 8866, 9300, 9750, 9900, 10075, 10230, 10725, 11625, 11700, 12090, 12276, 12375, 12870, 13299, 13950, 14300, 14508, 14625, 15345, 15500, 16500, 17050, 17732, 17875, 18135, 19500, 20150, 20460, 21450, 22165, 23250, 24180, 24750, 25575, 25740, 26598, 27900, 29250, 30225, 30690, 32175, 34100, 34875, 35750, 36270, 39897, 40300, 42625, 42900, 44330, 46500, 49500, 50375, 51150, 53196, 53625, 58500, 60450, 61380, 64350, 66495, 69750, 71500, 72540, 76725, 79794, 85250, 88660, 90675, 100750, 102300, 107250, 110825, 120900, 127875, 128700, 132990, 139500, 151125, 153450, 159588, 160875, 170500, 181350, 199485, 201500, 214500, 221650, 255750, 265980, 302250, 306900, 321750, 332475, 362700, 383625, 398970, 443300, 453375, 511500, 554125, 604500, 643500, 664950, 767250, 797940, 906750, 997425, 1108250, 1329900, 1534500, 1662375, 1813500, 1994850, 2216500, 3324750, 3989700, 4987125, 6649500, 9974250, 19948500]

約数ペア:

[(1, 19948500), (2, 9974250), (3, 6649500), (4, 4987125), (5, 3989700), (6, 3324750), (9, 2216500), (10, 1994850), (11, 1813500), (12, 1662375), (13, 1534500), (15, 1329900), (18, 1108250), (20, 997425), (22, 906750), (25, 797940), (26, 767250), (30, 664950), (31, 643500), (33, 604500), (36, 554125), (39, 511500), (44, 453375), (45, 443300), (50, 398970), (52, 383625), (55, 362700), (60, 332475), (62, 321750), (65, 306900), (66, 302250), (75, 265980), (78, 255750), (90, 221650), (93, 214500), (99, 201500), (100, 199485), (110, 181350), (117, 170500), (124, 160875), (125, 159588), (130, 153450), (132, 151125), (143, 139500), (150, 132990), (155, 128700), (156, 127875), (165, 120900), (180, 110825), (186, 107250), (195, 102300), (198, 100750), (220, 90675), (225, 88660), (234, 85250), (250, 79794), (260, 76725), (275, 72540), (279, 71500), (286, 69750), (300, 66495), (310, 64350), (325, 61380), (330, 60450), (341, 58500), (372, 53625), (375, 53196), (390, 51150), (396, 50375), (403, 49500), (429, 46500), (450, 44330), (465, 42900), (468, 42625), (495, 40300), (500, 39897), (550, 36270), (558, 35750), (572, 34875), (585, 34100), (620, 32175), (650, 30690), (660, 30225), (682, 29250), (715, 27900), (750, 26598), (775, 25740), (780, 25575), (806, 24750), (825, 24180), (858, 23250), (900, 22165), (930, 21450), (975, 20460), (990, 20150), (1023, 19500), (1100, 18135), (1116, 17875), (1125, 17732), (1170, 17050), (1209, 16500), (1287, 15500), (1300, 15345), (1364, 14625), (1375, 14508), (1395, 14300), (1430, 13950), (1500, 13299), (1550, 12870), (1612, 12375), (1625, 12276), (1650, 12090), (1705, 11700), (1716, 11625), (1860, 10725), (1950, 10230), (1980, 10075), (2015, 9900), (2046, 9750), (2145, 9300), (2250, 8866), (2325, 8580), (2340, 8525), (2418, 8250), (2475, 8060), (2574, 7750), (2750, 7254), (2790, 7150), (2860, 6975), (2925, 6820), (3069, 6500), (3100, 6435), (3250, 6138), (3300, 6045), (3410, 5850), (3575, 5580), (3627, 5500), (3875, 5148), (3900, 5115), (4030, 4950), (4092, 4875), (4125, 4836), (4290, 4650), (4433, 4500)]