64998050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{277}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 137905236

約数和(自身を除く): 72907186

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 277, 325, 361, 475, 494, 554, 650, 722, 950, 1235, 1385, 1805, 2470, 2770, 3601, 3610, 4693, 5263, 6175, 6925, 7202, 9025, 9386, 10526, 12350, 13850, 18005, 18050, 23465, 26315, 36010, 46930, 52630, 68419, 90025, 99997, 117325, 131575, 136838, 180050, 199994, 234650, 263150, 342095, 499985, 684190, 999970, 1299961, 1710475, 2499925, 2599922, 3420950, 4999850, 6499805, 12999610, 32499025, 64998050]

約数ペア:

[(1, 64998050), (2, 32499025), (5, 12999610), (10, 6499805), (13, 4999850), (19, 3420950), (25, 2599922), (26, 2499925), (38, 1710475), (50, 1299961), (65, 999970), (95, 684190), (130, 499985), (190, 342095), (247, 263150), (277, 234650), (325, 199994), (361, 180050), (475, 136838), (494, 131575), (554, 117325), (650, 99997), (722, 90025), (950, 68419), (1235, 52630), (1385, 46930), (1805, 36010), (2470, 26315), (2770, 23465), (3601, 18050), (3610, 18005), (4693, 13850), (5263, 12350), (6175, 10526), (6925, 9386), (7202, 9025)]