28950700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 66402000

約数和(自身を除く): 37451300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 67, 100, 116, 134, 145, 149, 268, 290, 298, 335, 580, 596, 670, 725, 745, 1340, 1450, 1490, 1675, 1943, 2900, 2980, 3350, 3725, 3886, 4321, 6700, 7450, 7772, 8642, 9715, 9983, 14900, 17284, 19430, 19966, 21605, 38860, 39932, 43210, 48575, 49915, 86420, 97150, 99830, 108025, 194300, 199660, 216050, 249575, 289507, 432100, 499150, 579014, 998300, 1158028, 1447535, 2895070, 5790140, 7237675, 14475350, 28950700]

約数ペア:

[(1, 28950700), (2, 14475350), (4, 7237675), (5, 5790140), (10, 2895070), (20, 1447535), (25, 1158028), (29, 998300), (50, 579014), (58, 499150), (67, 432100), (100, 289507), (116, 249575), (134, 216050), (145, 199660), (149, 194300), (268, 108025), (290, 99830), (298, 97150), (335, 86420), (580, 49915), (596, 48575), (670, 43210), (725, 39932), (745, 38860), (1340, 21605), (1450, 19966), (1490, 19430), (1675, 17284), (1943, 14900), (2900, 9983), (2980, 9715), (3350, 8642), (3725, 7772), (3886, 7450), (4321, 6700)]