836453960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{11821}}^1$

素因数の和:11922

約数の個数: 64

約数和(自身を含む): 1979002800

約数和(自身を除く): 1142548840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1160, 1220, 1769, 2440, 3538, 7076, 8845, 11821, 14152, 17690, 23642, 35380, 47284, 59105, 70760, 94568, 118210, 236420, 342809, 472840, 685618, 721081, 1371236, 1442162, 1714045, 2742472, 2884324, 3428090, 3605405, 5768648, 6856180, 7210810, 13712360, 14421620, 20911349, 28843240, 41822698, 83645396, 104556745, 167290792, 209113490, 418226980, 836453960]

約数ペア:

[(1, 836453960), (2, 418226980), (4, 209113490), (5, 167290792), (8, 104556745), (10, 83645396), (20, 41822698), (29, 28843240), (40, 20911349), (58, 14421620), (61, 13712360), (116, 7210810), (122, 6856180), (145, 5768648), (232, 3605405), (244, 3428090), (290, 2884324), (305, 2742472), (488, 1714045), (580, 1442162), (610, 1371236), (1160, 721081), (1220, 685618), (1769, 472840), (2440, 342809), (3538, 236420), (7076, 118210), (8845, 94568), (11821, 70760), (14152, 59105), (17690, 47284), (23642, 35380)]