767566340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{6421}}^1$

素因数の和:6612

約数の個数: 48

約数和(自身を含む): 1661499840

約数和(自身を除く): 893933500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 5977, 6421, 11954, 12842, 23908, 25684, 29885, 32105, 59770, 64210, 119540, 128420, 276103, 552206, 892519, 1104412, 1380515, 1785038, 2761030, 3570076, 4462595, 5522060, 8925190, 17850380, 38378317, 76756634, 153513268, 191891585, 383783170, 767566340]

約数ペア:

[(1, 767566340), (2, 383783170), (4, 191891585), (5, 153513268), (10, 76756634), (20, 38378317), (43, 17850380), (86, 8925190), (139, 5522060), (172, 4462595), (215, 3570076), (278, 2761030), (430, 1785038), (556, 1380515), (695, 1104412), (860, 892519), (1390, 552206), (2780, 276103), (5977, 128420), (6421, 119540), (11954, 64210), (12842, 59770), (23908, 32105), (25684, 29885)]