783125740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{32441}}^1$

素因数の和:32538

約数の個数: 48

約数和(自身を含む): 1765882944

約数和(自身を除く): 982757204

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, 12070, 24140, 32441, 64882, 129764, 162205, 324410, 551497, 648820, 1102994, 2205988, 2303311, 2757485, 4606622, 5514970, 9213244, 11029940, 11516555, 23033110, 39156287, 46066220, 78312574, 156625148, 195781435, 391562870, 783125740]

約数ペア:

[(1, 783125740), (2, 391562870), (4, 195781435), (5, 156625148), (10, 78312574), (17, 46066220), (20, 39156287), (34, 23033110), (68, 11516555), (71, 11029940), (85, 9213244), (142, 5514970), (170, 4606622), (284, 2757485), (340, 2303311), (355, 2205988), (710, 1102994), (1207, 648820), (1420, 551497), (2414, 324410), (4828, 162205), (6035, 129764), (12070, 64882), (24140, 32441)]