205841780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8527}}^1$

素因数の和:8624

約数の個数: 48

約数和(自身を含む): 464196096

約数和(自身を除く): 258354316

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, 8527, 12070, 17054, 24140, 34108, 42635, 85270, 144959, 170540, 289918, 579836, 605417, 724795, 1210834, 1449590, 2421668, 2899180, 3027085, 6054170, 10292089, 12108340, 20584178, 41168356, 51460445, 102920890, 205841780]

約数ペア:

[(1, 205841780), (2, 102920890), (4, 51460445), (5, 41168356), (10, 20584178), (17, 12108340), (20, 10292089), (34, 6054170), (68, 3027085), (71, 2899180), (85, 2421668), (142, 1449590), (170, 1210834), (284, 724795), (340, 605417), (355, 579836), (710, 289918), (1207, 170540), (1420, 144959), (2414, 85270), (4828, 42635), (6035, 34108), (8527, 24140), (12070, 17054)]