31031000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:83

約数の個数: 256

約数和(自身を含む): 100638720

約数和(自身を除く): 69607720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 25, 26, 28, 31, 35, 40, 44, 50, 52, 55, 56, 62, 65, 70, 77, 88, 91, 100, 104, 110, 124, 125, 130, 140, 143, 154, 155, 175, 182, 200, 217, 220, 248, 250, 260, 275, 280, 286, 308, 310, 325, 341, 350, 364, 385, 403, 434, 440, 455, 500, 520, 550, 572, 616, 620, 650, 682, 700, 715, 728, 770, 775, 806, 868, 875, 910, 1000, 1001, 1085, 1100, 1144, 1240, 1300, 1364, 1375, 1400, 1430, 1540, 1550, 1612, 1625, 1705, 1736, 1750, 1820, 1925, 2002, 2015, 2170, 2200, 2275, 2387, 2600, 2728, 2750, 2821, 2860, 3080, 3100, 3224, 3250, 3410, 3500, 3575, 3640, 3850, 3875, 4004, 4030, 4340, 4433, 4550, 4774, 5005, 5425, 5500, 5642, 5720, 6200, 6500, 6820, 7000, 7150, 7700, 7750, 8008, 8060, 8525, 8680, 8866, 9100, 9548, 9625, 10010, 10075, 10850, 11000, 11284, 11375, 11935, 13000, 13640, 14105, 14300, 15400, 15500, 16120, 17050, 17732, 17875, 18200, 19096, 19250, 20020, 20150, 21700, 22165, 22568, 22750, 23870, 25025, 27125, 28210, 28600, 31000, 31031, 34100, 35464, 35750, 38500, 40040, 40300, 42625, 43400, 44330, 45500, 47740, 50050, 50375, 54250, 56420, 59675, 62062, 68200, 70525, 71500, 77000, 80600, 85250, 88660, 91000, 95480, 100100, 100750, 108500, 110825, 112840, 119350, 124124, 125125, 141050, 143000, 155155, 170500, 177320, 200200, 201500, 217000, 221650, 238700, 248248, 250250, 282100, 298375, 310310, 341000, 352625, 403000, 443300, 477400, 500500, 554125, 564200, 596750, 620620, 705250, 775775, 886600, 1001000, 1108250, 1193500, 1241240, 1410500, 1551550, 2216500, 2387000, 2821000, 3103100, 3878875, 4433000, 6206200, 7757750, 15515500, 31031000]

約数ペア:

[(1, 31031000), (2, 15515500), (4, 7757750), (5, 6206200), (7, 4433000), (8, 3878875), (10, 3103100), (11, 2821000), (13, 2387000), (14, 2216500), (20, 1551550), (22, 1410500), (25, 1241240), (26, 1193500), (28, 1108250), (31, 1001000), (35, 886600), (40, 775775), (44, 705250), (50, 620620), (52, 596750), (55, 564200), (56, 554125), (62, 500500), (65, 477400), (70, 443300), (77, 403000), (88, 352625), (91, 341000), (100, 310310), (104, 298375), (110, 282100), (124, 250250), (125, 248248), (130, 238700), (140, 221650), (143, 217000), (154, 201500), (155, 200200), (175, 177320), (182, 170500), (200, 155155), (217, 143000), (220, 141050), (248, 125125), (250, 124124), (260, 119350), (275, 112840), (280, 110825), (286, 108500), (308, 100750), (310, 100100), (325, 95480), (341, 91000), (350, 88660), (364, 85250), (385, 80600), (403, 77000), (434, 71500), (440, 70525), (455, 68200), (500, 62062), (520, 59675), (550, 56420), (572, 54250), (616, 50375), (620, 50050), (650, 47740), (682, 45500), (700, 44330), (715, 43400), (728, 42625), (770, 40300), (775, 40040), (806, 38500), (868, 35750), (875, 35464), (910, 34100), (1000, 31031), (1001, 31000), (1085, 28600), (1100, 28210), (1144, 27125), (1240, 25025), (1300, 23870), (1364, 22750), (1375, 22568), (1400, 22165), (1430, 21700), (1540, 20150), (1550, 20020), (1612, 19250), (1625, 19096), (1705, 18200), (1736, 17875), (1750, 17732), (1820, 17050), (1925, 16120), (2002, 15500), (2015, 15400), (2170, 14300), (2200, 14105), (2275, 13640), (2387, 13000), (2600, 11935), (2728, 11375), (2750, 11284), (2821, 11000), (2860, 10850), (3080, 10075), (3100, 10010), (3224, 9625), (3250, 9548), (3410, 9100), (3500, 8866), (3575, 8680), (3640, 8525), (3850, 8060), (3875, 8008), (4004, 7750), (4030, 7700), (4340, 7150), (4433, 7000), (4550, 6820), (4774, 6500), (5005, 6200), (5425, 5720), (5500, 5642)]