268732380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{639839}}^1$

素因数の和:639858

約数の個数: 48

約数和(自身を含む): 859944960

約数和(自身を除く): 591212580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 639839, 1279678, 1919517, 2559356, 3199195, 3839034, 4478873, 6398390, 7678068, 8957746, 9597585, 12796780, 13436619, 17915492, 19195170, 22394365, 26873238, 38390340, 44788730, 53746476, 67183095, 89577460, 134366190, 268732380]

約数ペア:

[(1, 268732380), (2, 134366190), (3, 89577460), (4, 67183095), (5, 53746476), (6, 44788730), (7, 38390340), (10, 26873238), (12, 22394365), (14, 19195170), (15, 17915492), (20, 13436619), (21, 12796780), (28, 9597585), (30, 8957746), (35, 7678068), (42, 6398390), (60, 4478873), (70, 3839034), (84, 3199195), (105, 2559356), (140, 1919517), (210, 1279678), (420, 639839)]