293868680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{21419}}^1$

素因数の和:21451

約数の個数: 64

約数和(自身を含む): 771120000

約数和(自身を除く): 477251320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 13720, 21419, 42838, 85676, 107095, 149933, 171352, 214190, 299866, 428380, 599732, 749665, 856760, 1049531, 1199464, 1499330, 2099062, 2998660, 4198124, 5247655, 5997320, 7346717, 8396248, 10495310, 14693434, 20990620, 29386868, 36733585, 41981240, 58773736, 73467170, 146934340, 293868680]

約数ペア:

[(1, 293868680), (2, 146934340), (4, 73467170), (5, 58773736), (7, 41981240), (8, 36733585), (10, 29386868), (14, 20990620), (20, 14693434), (28, 10495310), (35, 8396248), (40, 7346717), (49, 5997320), (56, 5247655), (70, 4198124), (98, 2998660), (140, 2099062), (196, 1499330), (245, 1199464), (280, 1049531), (343, 856760), (392, 749665), (490, 599732), (686, 428380), (980, 299866), (1372, 214190), (1715, 171352), (1960, 149933), (2744, 107095), (3430, 85676), (6860, 42838), (13720, 21419)]