202290500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{421}}^1$

素因数の和:502

約数の個数: 72

約数和(自身を含む): 457598232

約数和(自身を除く): 255307732

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 421, 500, 620, 775, 842, 961, 1550, 1684, 1922, 2105, 3100, 3844, 3875, 4210, 4805, 7750, 8420, 9610, 10525, 13051, 15500, 19220, 21050, 24025, 26102, 42100, 48050, 52204, 52625, 65255, 96100, 105250, 120125, 130510, 210500, 240250, 261020, 326275, 404581, 480500, 652550, 809162, 1305100, 1618324, 1631375, 2022905, 3262750, 4045810, 6525500, 8091620, 10114525, 20229050, 40458100, 50572625, 101145250, 202290500]

約数ペア:

[(1, 202290500), (2, 101145250), (4, 50572625), (5, 40458100), (10, 20229050), (20, 10114525), (25, 8091620), (31, 6525500), (50, 4045810), (62, 3262750), (100, 2022905), (124, 1631375), (125, 1618324), (155, 1305100), (250, 809162), (310, 652550), (421, 480500), (500, 404581), (620, 326275), (775, 261020), (842, 240250), (961, 210500), (1550, 130510), (1684, 120125), (1922, 105250), (2105, 96100), (3100, 65255), (3844, 52625), (3875, 52204), (4210, 48050), (4805, 42100), (7750, 26102), (8420, 24025), (9610, 21050), (10525, 19220), (13051, 15500)]