786289580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{9257}}^1$

素因数の和:9434

約数の個数: 48

約数和(自身を含む): 1717099776

約数和(自身を除く): 930810196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 548, 620, 685, 1370, 2740, 4247, 8494, 9257, 16988, 18514, 21235, 37028, 42470, 46285, 84940, 92570, 185140, 286967, 573934, 1147868, 1268209, 1434835, 2536418, 2869670, 5072836, 5739340, 6341045, 12682090, 25364180, 39314479, 78628958, 157257916, 196572395, 393144790, 786289580]

約数ペア:

[(1, 786289580), (2, 393144790), (4, 196572395), (5, 157257916), (10, 78628958), (20, 39314479), (31, 25364180), (62, 12682090), (124, 6341045), (137, 5739340), (155, 5072836), (274, 2869670), (310, 2536418), (548, 1434835), (620, 1268209), (685, 1147868), (1370, 573934), (2740, 286967), (4247, 185140), (8494, 92570), (9257, 84940), (16988, 46285), (18514, 42470), (21235, 37028)]