155909380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41687}}^1$

素因数の和:41724

約数の個数: 48

約数和(自身を含む): 378193536

約数和(自身を除く): 222284156

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 41687, 83374, 166748, 208435, 416870, 458557, 708679, 833740, 917114, 1417358, 1834228, 2292785, 2834716, 3543395, 4585570, 7086790, 7795469, 9171140, 14173580, 15590938, 31181876, 38977345, 77954690, 155909380]

約数ペア:

[(1, 155909380), (2, 77954690), (4, 38977345), (5, 31181876), (10, 15590938), (11, 14173580), (17, 9171140), (20, 7795469), (22, 7086790), (34, 4585570), (44, 3543395), (55, 2834716), (68, 2292785), (85, 1834228), (110, 1417358), (170, 917114), (187, 833740), (220, 708679), (340, 458557), (374, 416870), (748, 208435), (935, 166748), (1870, 83374), (3740, 41687)]