2912140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 96

約数和(自身を含む): 7999488

約数和(自身を除く): 5087348

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 61, 62, 70, 77, 110, 122, 124, 140, 154, 155, 217, 220, 244, 305, 308, 310, 341, 385, 427, 434, 610, 620, 671, 682, 770, 854, 868, 1085, 1220, 1342, 1364, 1540, 1705, 1708, 1891, 2135, 2170, 2387, 2684, 3355, 3410, 3782, 4270, 4340, 4697, 4774, 6710, 6820, 7564, 8540, 9394, 9455, 9548, 11935, 13237, 13420, 18788, 18910, 20801, 23485, 23870, 26474, 37820, 41602, 46970, 47740, 52948, 66185, 83204, 93940, 104005, 132370, 145607, 208010, 264740, 291214, 416020, 582428, 728035, 1456070, 2912140]

約数ペア:

[(1, 2912140), (2, 1456070), (4, 728035), (5, 582428), (7, 416020), (10, 291214), (11, 264740), (14, 208010), (20, 145607), (22, 132370), (28, 104005), (31, 93940), (35, 83204), (44, 66185), (55, 52948), (61, 47740), (62, 46970), (70, 41602), (77, 37820), (110, 26474), (122, 23870), (124, 23485), (140, 20801), (154, 18910), (155, 18788), (217, 13420), (220, 13237), (244, 11935), (305, 9548), (308, 9455), (310, 9394), (341, 8540), (385, 7564), (427, 6820), (434, 6710), (610, 4774), (620, 4697), (671, 4340), (682, 4270), (770, 3782), (854, 3410), (868, 3355), (1085, 2684), (1220, 2387), (1342, 2170), (1364, 2135), (1540, 1891), (1705, 1708)]