280434380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{11617}}^1$

素因数の和:11714

約数の個数: 48

約数和(自身を含む): 632390976

約数和(自身を除く): 351956596

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 710, 1207, 1420, 2414, 4828, 6035, 11617, 12070, 23234, 24140, 46468, 58085, 116170, 197489, 232340, 394978, 789956, 824807, 987445, 1649614, 1974890, 3299228, 3949780, 4124035, 8248070, 14021719, 16496140, 28043438, 56086876, 70108595, 140217190, 280434380]

約数ペア:

[(1, 280434380), (2, 140217190), (4, 70108595), (5, 56086876), (10, 28043438), (17, 16496140), (20, 14021719), (34, 8248070), (68, 4124035), (71, 3949780), (85, 3299228), (142, 1974890), (170, 1649614), (284, 987445), (340, 824807), (355, 789956), (710, 394978), (1207, 232340), (1420, 197489), (2414, 116170), (4828, 58085), (6035, 46468), (11617, 24140), (12070, 23234)]