128319230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1941

約数の個数: 64

約数和(自身を含む): 272014848

約数和(自身を除く): 143695618

約数列:

[1, 2, 5, 10, 13, 17, 26, 31, 34, 62, 65, 85, 130, 155, 170, 221, 310, 403, 442, 527, 806, 1054, 1105, 1873, 2015, 2210, 2635, 3746, 4030, 5270, 6851, 9365, 13702, 18730, 24349, 31841, 34255, 48698, 58063, 63682, 68510, 116126, 121745, 159205, 243490, 290315, 318410, 413933, 580630, 754819, 827866, 987071, 1509638, 1974142, 2069665, 3774095, 4139330, 4935355, 7548190, 9870710, 12831923, 25663846, 64159615, 128319230]

約数ペア:

[(1, 128319230), (2, 64159615), (5, 25663846), (10, 12831923), (13, 9870710), (17, 7548190), (26, 4935355), (31, 4139330), (34, 3774095), (62, 2069665), (65, 1974142), (85, 1509638), (130, 987071), (155, 827866), (170, 754819), (221, 580630), (310, 413933), (403, 318410), (442, 290315), (527, 243490), (806, 159205), (1054, 121745), (1105, 116126), (1873, 68510), (2015, 63682), (2210, 58063), (2635, 48698), (3746, 34255), (4030, 31841), (5270, 24349), (6851, 18730), (9365, 13702)]