202458980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1063}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 434367360

約数和(自身を除く): 231908380

約数列:

[1, 2, 4, 5, 10, 20, 89, 107, 178, 214, 356, 428, 445, 535, 890, 1063, 1070, 1780, 2126, 2140, 4252, 5315, 9523, 10630, 19046, 21260, 38092, 47615, 94607, 95230, 113741, 189214, 190460, 227482, 378428, 454964, 473035, 568705, 946070, 1137410, 1892140, 2274820, 10122949, 20245898, 40491796, 50614745, 101229490, 202458980]

約数ペア:

[(1, 202458980), (2, 101229490), (4, 50614745), (5, 40491796), (10, 20245898), (20, 10122949), (89, 2274820), (107, 1892140), (178, 1137410), (214, 946070), (356, 568705), (428, 473035), (445, 454964), (535, 378428), (890, 227482), (1063, 190460), (1070, 189214), (1780, 113741), (2126, 95230), (2140, 94607), (4252, 47615), (5315, 38092), (9523, 21260), (10630, 19046)]