77978660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12071}}^1$

素因数の和:12116

約数の個数: 48

約数和(自身を含む): 182528640

約数和(自身を除く): 104549980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 12071, 24142, 48284, 60355, 120710, 205207, 229349, 241420, 410414, 458698, 820828, 917396, 1026035, 1146745, 2052070, 2293490, 3898933, 4104140, 4586980, 7797866, 15595732, 19494665, 38989330, 77978660]

約数ペア:

[(1, 77978660), (2, 38989330), (4, 19494665), (5, 15595732), (10, 7797866), (17, 4586980), (19, 4104140), (20, 3898933), (34, 2293490), (38, 2052070), (68, 1146745), (76, 1026035), (85, 917396), (95, 820828), (170, 458698), (190, 410414), (323, 241420), (340, 229349), (380, 205207), (646, 120710), (1292, 60355), (1615, 48284), (3230, 24142), (6460, 12071)]