1994850

素因数分解:

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

素因数の和:73

約数の個数: 144

約数和(自身を含む): 6499584

約数和(自身を除く): 4504734

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 25, 26, 30, 31, 33, 39, 45, 50, 55, 62, 65, 66, 75, 78, 90, 93, 99, 110, 117, 130, 143, 150, 155, 165, 186, 195, 198, 225, 234, 275, 279, 286, 310, 325, 330, 341, 390, 403, 429, 450, 465, 495, 550, 558, 585, 650, 682, 715, 775, 806, 825, 858, 930, 975, 990, 1023, 1170, 1209, 1287, 1395, 1430, 1550, 1650, 1705, 1950, 2015, 2046, 2145, 2325, 2418, 2475, 2574, 2790, 2925, 3069, 3410, 3575, 3627, 4030, 4290, 4433, 4650, 4950, 5115, 5850, 6045, 6138, 6435, 6975, 7150, 7254, 8525, 8866, 10075, 10230, 10725, 12090, 12870, 13299, 13950, 15345, 17050, 18135, 20150, 21450, 22165, 25575, 26598, 30225, 30690, 32175, 36270, 39897, 44330, 51150, 60450, 64350, 66495, 76725, 79794, 90675, 110825, 132990, 153450, 181350, 199485, 221650, 332475, 398970, 664950, 997425, 1994850]

約数ペア:

[(1, 1994850), (2, 997425), (3, 664950), (5, 398970), (6, 332475), (9, 221650), (10, 199485), (11, 181350), (13, 153450), (15, 132990), (18, 110825), (22, 90675), (25, 79794), (26, 76725), (30, 66495), (31, 64350), (33, 60450), (39, 51150), (45, 44330), (50, 39897), (55, 36270), (62, 32175), (65, 30690), (66, 30225), (75, 26598), (78, 25575), (90, 22165), (93, 21450), (99, 20150), (110, 18135), (117, 17050), (130, 15345), (143, 13950), (150, 13299), (155, 12870), (165, 12090), (186, 10725), (195, 10230), (198, 10075), (225, 8866), (234, 8525), (275, 7254), (279, 7150), (286, 6975), (310, 6435), (325, 6138), (330, 6045), (341, 5850), (390, 5115), (403, 4950), (429, 4650), (450, 4433), (465, 4290), (495, 4030), (550, 3627), (558, 3575), (585, 3410), (650, 3069), (682, 2925), (715, 2790), (775, 2574), (806, 2475), (825, 2418), (858, 2325), (930, 2145), (975, 2046), (990, 2015), (1023, 1950), (1170, 1705), (1209, 1650), (1287, 1550), (1395, 1430)]