201425380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4639}}^1$

素因数の和:4828

約数の個数: 48

約数和(自身を含む): 458357760

約数和(自身を除く): 256932380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 167, 260, 334, 668, 835, 1670, 2171, 3340, 4342, 4639, 8684, 9278, 10855, 18556, 21710, 23195, 43420, 46390, 60307, 92780, 120614, 241228, 301535, 603070, 774713, 1206140, 1549426, 3098852, 3873565, 7747130, 10071269, 15494260, 20142538, 40285076, 50356345, 100712690, 201425380]

約数ペア:

[(1, 201425380), (2, 100712690), (4, 50356345), (5, 40285076), (10, 20142538), (13, 15494260), (20, 10071269), (26, 7747130), (52, 3873565), (65, 3098852), (130, 1549426), (167, 1206140), (260, 774713), (334, 603070), (668, 301535), (835, 241228), (1670, 120614), (2171, 92780), (3340, 60307), (4342, 46390), (4639, 43420), (8684, 23195), (9278, 21710), (10855, 18556)]