78687700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8647}}^1$

素因数の和:8681

約数の個数: 72

約数和(自身を含む): 210180992

約数和(自身を除く): 131493292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 260, 325, 350, 364, 455, 650, 700, 910, 1300, 1820, 2275, 4550, 8647, 9100, 17294, 34588, 43235, 60529, 86470, 112411, 121058, 172940, 216175, 224822, 242116, 302645, 432350, 449644, 562055, 605290, 786877, 864700, 1124110, 1210580, 1513225, 1573754, 2248220, 2810275, 3026450, 3147508, 3934385, 5620550, 6052900, 7868770, 11241100, 15737540, 19671925, 39343850, 78687700]

約数ペア:

[(1, 78687700), (2, 39343850), (4, 19671925), (5, 15737540), (7, 11241100), (10, 7868770), (13, 6052900), (14, 5620550), (20, 3934385), (25, 3147508), (26, 3026450), (28, 2810275), (35, 2248220), (50, 1573754), (52, 1513225), (65, 1210580), (70, 1124110), (91, 864700), (100, 786877), (130, 605290), (140, 562055), (175, 449644), (182, 432350), (260, 302645), (325, 242116), (350, 224822), (364, 216175), (455, 172940), (650, 121058), (700, 112411), (910, 86470), (1300, 60529), (1820, 43235), (2275, 34588), (4550, 17294), (8647, 9100)]