77940410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 150859800

約数和(自身を除く): 72919390

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 181, 289, 298, 362, 578, 745, 905, 1445, 1490, 1810, 2533, 2890, 3077, 5066, 6154, 12665, 15385, 25330, 26969, 30770, 43061, 52309, 53938, 86122, 104618, 134845, 215305, 261545, 269690, 430610, 458473, 523090, 916946, 2292365, 4584730, 7794041, 15588082, 38970205, 77940410]

約数ペア:

[(1, 77940410), (2, 38970205), (5, 15588082), (10, 7794041), (17, 4584730), (34, 2292365), (85, 916946), (149, 523090), (170, 458473), (181, 430610), (289, 269690), (298, 261545), (362, 215305), (578, 134845), (745, 104618), (905, 86122), (1445, 53938), (1490, 52309), (1810, 43061), (2533, 30770), (2890, 26969), (3077, 25330), (5066, 15385), (6154, 12665)]