268795420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3119}}^1$

素因数の和:3298

約数の個数: 48

約数和(自身を含む): 587059200

約数和(自身を除く): 318263780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 3119, 4309, 6238, 8618, 12476, 15595, 17236, 21545, 31190, 43090, 62380, 86180, 96689, 193378, 386756, 433541, 483445, 867082, 966890, 1734164, 1933780, 2167705, 4335410, 8670820, 13439771, 26879542, 53759084, 67198855, 134397710, 268795420]

約数ペア:

[(1, 268795420), (2, 134397710), (4, 67198855), (5, 53759084), (10, 26879542), (20, 13439771), (31, 8670820), (62, 4335410), (124, 2167705), (139, 1933780), (155, 1734164), (278, 966890), (310, 867082), (556, 483445), (620, 433541), (695, 386756), (1390, 193378), (2780, 96689), (3119, 86180), (4309, 62380), (6238, 43090), (8618, 31190), (12476, 21545), (15595, 17236)]