2017184420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{31139}}^1$

素因数の和:31268

約数の個数: 48

約数和(自身を含む): 4394476800

約数和(自身を除く): 2377292380

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 6478, 12956, 16195, 31139, 32390, 62278, 64780, 124556, 155695, 311390, 622780, 1276699, 2459981, 2553398, 4919962, 5106796, 6383495, 9839924, 12299905, 12766990, 24599810, 25533980, 49199620, 100859221, 201718442, 403436884, 504296105, 1008592210, 2017184420]

約数ペア:

[(1, 2017184420), (2, 1008592210), (4, 504296105), (5, 403436884), (10, 201718442), (20, 100859221), (41, 49199620), (79, 25533980), (82, 24599810), (158, 12766990), (164, 12299905), (205, 9839924), (316, 6383495), (395, 5106796), (410, 4919962), (790, 2553398), (820, 2459981), (1580, 1276699), (3239, 622780), (6478, 311390), (12956, 155695), (16195, 124556), (31139, 64780), (32390, 62278)]