2899120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 7999488

約数和(自身を除く): 5100368

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 167, 217, 248, 280, 310, 334, 434, 496, 560, 620, 668, 835, 868, 1085, 1169, 1240, 1336, 1670, 1736, 2170, 2338, 2480, 2672, 3340, 3472, 4340, 4676, 5177, 5845, 6680, 8680, 9352, 10354, 11690, 13360, 17360, 18704, 20708, 23380, 25885, 36239, 41416, 46760, 51770, 72478, 82832, 93520, 103540, 144956, 181195, 207080, 289912, 362390, 414160, 579824, 724780, 1449560, 2899120]

約数ペア:

[(1, 2899120), (2, 1449560), (4, 724780), (5, 579824), (7, 414160), (8, 362390), (10, 289912), (14, 207080), (16, 181195), (20, 144956), (28, 103540), (31, 93520), (35, 82832), (40, 72478), (56, 51770), (62, 46760), (70, 41416), (80, 36239), (112, 25885), (124, 23380), (140, 20708), (155, 18704), (167, 17360), (217, 13360), (248, 11690), (280, 10354), (310, 9352), (334, 8680), (434, 6680), (496, 5845), (560, 5177), (620, 4676), (668, 4340), (835, 3472), (868, 3340), (1085, 2672), (1169, 2480), (1240, 2338), (1336, 2170), (1670, 1736)]