1386345520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{2791}}^1$

素因数の和:3698

約数の個数: 80

約数和(自身を含む): 3689192448

約数和(自身を除く): 2302846928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 887, 1774, 2791, 3548, 4435, 5582, 6209, 7096, 8870, 11164, 12418, 13955, 14192, 17740, 19537, 22328, 24836, 27910, 31045, 35480, 39074, 44656, 49672, 55820, 62090, 70960, 78148, 97685, 99344, 111640, 124180, 156296, 195370, 223280, 248360, 312592, 390740, 496720, 781480, 1562960, 2475617, 4951234, 9902468, 12378085, 17329319, 19804936, 24756170, 34658638, 39609872, 49512340, 69317276, 86646595, 99024680, 138634552, 173293190, 198049360, 277269104, 346586380, 693172760, 1386345520]

約数ペア:

[(1, 1386345520), (2, 693172760), (4, 346586380), (5, 277269104), (7, 198049360), (8, 173293190), (10, 138634552), (14, 99024680), (16, 86646595), (20, 69317276), (28, 49512340), (35, 39609872), (40, 34658638), (56, 24756170), (70, 19804936), (80, 17329319), (112, 12378085), (140, 9902468), (280, 4951234), (560, 2475617), (887, 1562960), (1774, 781480), (2791, 496720), (3548, 390740), (4435, 312592), (5582, 248360), (6209, 223280), (7096, 195370), (8870, 156296), (11164, 124180), (12418, 111640), (13955, 99344), (14192, 97685), (17740, 78148), (19537, 70960), (22328, 62090), (24836, 55820), (27910, 49672), (31045, 44656), (35480, 39074)]