208520100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{523}}^1$

素因数の和:986

約数の個数: 108

約数和(自身を含む): 656322576

約数和(自身を除く): 447802476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 443, 450, 523, 886, 900, 1046, 1329, 1569, 1772, 2092, 2215, 2615, 2658, 3138, 3987, 4430, 4707, 5230, 5316, 6276, 6645, 7845, 7974, 8860, 9414, 10460, 11075, 13075, 13290, 15690, 15948, 18828, 19935, 22150, 23535, 26150, 26580, 31380, 33225, 39225, 39870, 44300, 47070, 52300, 66450, 78450, 79740, 94140, 99675, 117675, 132900, 156900, 199350, 231689, 235350, 398700, 463378, 470700, 695067, 926756, 1158445, 1390134, 2085201, 2316890, 2780268, 3475335, 4170402, 4633780, 5792225, 6950670, 8340804, 10426005, 11584450, 13901340, 17376675, 20852010, 23168900, 34753350, 41704020, 52130025, 69506700, 104260050, 208520100]

約数ペア:

[(1, 208520100), (2, 104260050), (3, 69506700), (4, 52130025), (5, 41704020), (6, 34753350), (9, 23168900), (10, 20852010), (12, 17376675), (15, 13901340), (18, 11584450), (20, 10426005), (25, 8340804), (30, 6950670), (36, 5792225), (45, 4633780), (50, 4170402), (60, 3475335), (75, 2780268), (90, 2316890), (100, 2085201), (150, 1390134), (180, 1158445), (225, 926756), (300, 695067), (443, 470700), (450, 463378), (523, 398700), (886, 235350), (900, 231689), (1046, 199350), (1329, 156900), (1569, 132900), (1772, 117675), (2092, 99675), (2215, 94140), (2615, 79740), (2658, 78450), (3138, 66450), (3987, 52300), (4430, 47070), (4707, 44300), (5230, 39870), (5316, 39225), (6276, 33225), (6645, 31380), (7845, 26580), (7974, 26150), (8860, 23535), (9414, 22150), (10460, 19935), (11075, 18828), (13075, 15948), (13290, 15690)]