279064175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 399766080

約数和(自身を除く): 120701905

約数列:

[1, 5, 13, 23, 25, 37, 65, 115, 185, 299, 325, 481, 575, 851, 925, 1009, 1495, 2405, 4255, 5045, 7475, 11063, 12025, 13117, 21275, 23207, 25225, 37333, 55315, 65585, 116035, 186665, 276575, 301691, 327925, 485329, 580175, 858659, 933325, 1508455, 2426645, 4293295, 7542275, 11162567, 12133225, 21466475, 55812835, 279064175]

約数ペア:

[(1, 279064175), (5, 55812835), (13, 21466475), (23, 12133225), (25, 11162567), (37, 7542275), (65, 4293295), (115, 2426645), (185, 1508455), (299, 933325), (325, 858659), (481, 580175), (575, 485329), (851, 327925), (925, 301691), (1009, 276575), (1495, 186665), (2405, 116035), (4255, 65585), (5045, 55315), (7475, 37333), (11063, 25225), (12025, 23207), (13117, 21275)]