172514980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 422392320

約数和(自身を除く): 249877340

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 193, 220, 239, 340, 374, 386, 478, 748, 772, 935, 956, 965, 1195, 1870, 1930, 2123, 2390, 2629, 3281, 3740, 3860, 4063, 4246, 4780, 5258, 6562, 8126, 8492, 10516, 10615, 13124, 13145, 16252, 16405, 20315, 21230, 26290, 32810, 36091, 40630, 42460, 44693, 46127, 52580, 65620, 72182, 81260, 89386, 92254, 144364, 178772, 180455, 184508, 223465, 230635, 360910, 446930, 461270, 507397, 721820, 784159, 893860, 922540, 1014794, 1568318, 2029588, 2536985, 3136636, 3920795, 5073970, 7841590, 8625749, 10147940, 15683180, 17251498, 34502996, 43128745, 86257490, 172514980]

約数ペア:

[(1, 172514980), (2, 86257490), (4, 43128745), (5, 34502996), (10, 17251498), (11, 15683180), (17, 10147940), (20, 8625749), (22, 7841590), (34, 5073970), (44, 3920795), (55, 3136636), (68, 2536985), (85, 2029588), (110, 1568318), (170, 1014794), (187, 922540), (193, 893860), (220, 784159), (239, 721820), (340, 507397), (374, 461270), (386, 446930), (478, 360910), (748, 230635), (772, 223465), (935, 184508), (956, 180455), (965, 178772), (1195, 144364), (1870, 92254), (1930, 89386), (2123, 81260), (2390, 72182), (2629, 65620), (3281, 52580), (3740, 46127), (3860, 44693), (4063, 42460), (4246, 40630), (4780, 36091), (5258, 32810), (6562, 26290), (8126, 21230), (8492, 20315), (10516, 16405), (10615, 16252), (13124, 13145)]