78518660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 192568320

約数和(自身を除く): 114049660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 31, 44, 55, 58, 62, 110, 116, 124, 145, 155, 220, 290, 310, 319, 341, 397, 580, 620, 638, 682, 794, 899, 1276, 1364, 1588, 1595, 1705, 1798, 1985, 3190, 3410, 3596, 3970, 4367, 4495, 6380, 6820, 7940, 8734, 8990, 9889, 11513, 12307, 17468, 17980, 19778, 21835, 23026, 24614, 39556, 43670, 46052, 49228, 49445, 57565, 61535, 87340, 98890, 115130, 123070, 126643, 135377, 197780, 230260, 246140, 253286, 270754, 356903, 506572, 541508, 633215, 676885, 713806, 1266430, 1353770, 1427612, 1784515, 2532860, 2707540, 3569030, 3925933, 7138060, 7851866, 15703732, 19629665, 39259330, 78518660]

約数ペア:

[(1, 78518660), (2, 39259330), (4, 19629665), (5, 15703732), (10, 7851866), (11, 7138060), (20, 3925933), (22, 3569030), (29, 2707540), (31, 2532860), (44, 1784515), (55, 1427612), (58, 1353770), (62, 1266430), (110, 713806), (116, 676885), (124, 633215), (145, 541508), (155, 506572), (220, 356903), (290, 270754), (310, 253286), (319, 246140), (341, 230260), (397, 197780), (580, 135377), (620, 126643), (638, 123070), (682, 115130), (794, 98890), (899, 87340), (1276, 61535), (1364, 57565), (1588, 49445), (1595, 49228), (1705, 46052), (1798, 43670), (1985, 39556), (3190, 24614), (3410, 23026), (3596, 21835), (3970, 19778), (4367, 17980), (4495, 17468), (6380, 12307), (6820, 11513), (7940, 9889), (8734, 8990)]