78811810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5431

約数の個数: 64

約数和(自身を含む): 186209280

約数和(自身を除く): 107397470

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 5387, 7315, 10774, 14630, 26935, 37709, 53870, 59257, 75418, 102353, 118514, 188545, 204706, 296285, 377090, 414799, 511765, 592570, 716471, 829598, 1023530, 1125883, 1432942, 2073995, 2251766, 3582355, 4147990, 5629415, 7164710, 7881181, 11258830, 15762362, 39405905, 78811810]

約数ペア:

[(1, 78811810), (2, 39405905), (5, 15762362), (7, 11258830), (10, 7881181), (11, 7164710), (14, 5629415), (19, 4147990), (22, 3582355), (35, 2251766), (38, 2073995), (55, 1432942), (70, 1125883), (77, 1023530), (95, 829598), (110, 716471), (133, 592570), (154, 511765), (190, 414799), (209, 377090), (266, 296285), (385, 204706), (418, 188545), (665, 118514), (770, 102353), (1045, 75418), (1330, 59257), (1463, 53870), (2090, 37709), (2926, 26935), (5387, 14630), (7315, 10774)]