320430740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1373}}^1\times {\mathrm{1667}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 770055552

約数和(自身を除く): 449624812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1373, 1667, 2746, 3334, 5492, 6668, 6865, 8335, 9611, 11669, 13730, 16670, 19222, 23338, 27460, 33340, 38444, 46676, 48055, 58345, 96110, 116690, 192220, 233380, 2288791, 4577582, 9155164, 11443955, 16021537, 22887910, 32043074, 45775820, 64086148, 80107685, 160215370, 320430740]

約数ペア:

[(1, 320430740), (2, 160215370), (4, 80107685), (5, 64086148), (7, 45775820), (10, 32043074), (14, 22887910), (20, 16021537), (28, 11443955), (35, 9155164), (70, 4577582), (140, 2288791), (1373, 233380), (1667, 192220), (2746, 116690), (3334, 96110), (5492, 58345), (6668, 48055), (6865, 46676), (8335, 38444), (9611, 33340), (11669, 27460), (13730, 23338), (16670, 19222)]