78649150

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 151289424

約数和(自身を除く): 72640274

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 157, 215, 233, 314, 430, 466, 785, 1075, 1165, 1570, 2150, 2330, 3925, 5825, 6751, 7850, 10019, 11650, 13502, 20038, 33755, 36581, 50095, 67510, 73162, 100190, 168775, 182905, 250475, 337550, 365810, 500950, 914525, 1572983, 1829050, 3145966, 7864915, 15729830, 39324575, 78649150]

約数ペア:

[(1, 78649150), (2, 39324575), (5, 15729830), (10, 7864915), (25, 3145966), (43, 1829050), (50, 1572983), (86, 914525), (157, 500950), (215, 365810), (233, 337550), (314, 250475), (430, 182905), (466, 168775), (785, 100190), (1075, 73162), (1165, 67510), (1570, 50095), (2150, 36581), (2330, 33755), (3925, 20038), (5825, 13502), (6751, 11650), (7850, 10019)]