128980650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{19997}}^1$

素因数の和:20055

約数の個数: 48

約数和(自身を含む): 327327264

約数和(自身を除く): 198346614

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 43, 50, 75, 86, 129, 150, 215, 258, 430, 645, 1075, 1290, 2150, 3225, 6450, 19997, 39994, 59991, 99985, 119982, 199970, 299955, 499925, 599910, 859871, 999850, 1499775, 1719742, 2579613, 2999550, 4299355, 5159226, 8598710, 12898065, 21496775, 25796130, 42993550, 64490325, 128980650]

約数ペア:

[(1, 128980650), (2, 64490325), (3, 42993550), (5, 25796130), (6, 21496775), (10, 12898065), (15, 8598710), (25, 5159226), (30, 4299355), (43, 2999550), (50, 2579613), (75, 1719742), (86, 1499775), (129, 999850), (150, 859871), (215, 599910), (258, 499925), (430, 299955), (645, 199970), (1075, 119982), (1290, 99985), (2150, 59991), (3225, 39994), (6450, 19997)]