8356390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 18570240

約数和(自身を除く): 10213850

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 103, 122, 133, 190, 206, 266, 305, 427, 515, 610, 665, 721, 854, 1030, 1159, 1330, 1442, 1957, 2135, 2318, 3605, 3914, 4270, 5795, 6283, 7210, 8113, 9785, 11590, 12566, 13699, 16226, 19570, 27398, 31415, 40565, 43981, 62830, 68495, 81130, 87962, 119377, 136990, 219905, 238754, 439810, 596885, 835639, 1193770, 1671278, 4178195, 8356390]

約数ペア:

[(1, 8356390), (2, 4178195), (5, 1671278), (7, 1193770), (10, 835639), (14, 596885), (19, 439810), (35, 238754), (38, 219905), (61, 136990), (70, 119377), (95, 87962), (103, 81130), (122, 68495), (133, 62830), (190, 43981), (206, 40565), (266, 31415), (305, 27398), (427, 19570), (515, 16226), (610, 13699), (665, 12566), (721, 11590), (854, 9785), (1030, 8113), (1159, 7210), (1330, 6283), (1442, 5795), (1957, 4270), (2135, 3914), (2318, 3605)]