617967420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{210193}}^1$

素因数の和:210219

約数の個数: 72

約数和(自身を含む): 2012817744

約数和(自身を除く): 1394850324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 210193, 420386, 630579, 840772, 1050965, 1261158, 1471351, 2101930, 2522316, 2942702, 3152895, 4203860, 4414053, 5885404, 6305790, 7356755, 8828106, 10299457, 12611580, 14713510, 17656212, 20598914, 22070265, 29427020, 30898371, 41197828, 44140530, 51497285, 61796742, 88281060, 102994570, 123593484, 154491855, 205989140, 308983710, 617967420]

約数ペア:

[(1, 617967420), (2, 308983710), (3, 205989140), (4, 154491855), (5, 123593484), (6, 102994570), (7, 88281060), (10, 61796742), (12, 51497285), (14, 44140530), (15, 41197828), (20, 30898371), (21, 29427020), (28, 22070265), (30, 20598914), (35, 17656212), (42, 14713510), (49, 12611580), (60, 10299457), (70, 8828106), (84, 7356755), (98, 6305790), (105, 5885404), (140, 4414053), (147, 4203860), (196, 3152895), (210, 2942702), (245, 2522316), (294, 2101930), (420, 1471351), (490, 1261158), (588, 1050965), (735, 840772), (980, 630579), (1470, 420386), (2940, 210193)]