694078960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1373}}^1$

素因数の和:1546

約数の個数: 80

約数和(自身を含む): 1656054720

約数和(自身を除く): 961975760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 89, 142, 178, 284, 355, 356, 445, 568, 710, 712, 890, 1136, 1373, 1420, 1424, 1780, 2746, 2840, 3560, 5492, 5680, 6319, 6865, 7120, 10984, 12638, 13730, 21968, 25276, 27460, 31595, 50552, 54920, 63190, 97483, 101104, 109840, 122197, 126380, 194966, 244394, 252760, 389932, 487415, 488788, 505520, 610985, 779864, 974830, 977576, 1221970, 1559728, 1949660, 1955152, 2443940, 3899320, 4887880, 7798640, 8675987, 9775760, 17351974, 34703948, 43379935, 69407896, 86759870, 138815792, 173519740, 347039480, 694078960]

約数ペア:

[(1, 694078960), (2, 347039480), (4, 173519740), (5, 138815792), (8, 86759870), (10, 69407896), (16, 43379935), (20, 34703948), (40, 17351974), (71, 9775760), (80, 8675987), (89, 7798640), (142, 4887880), (178, 3899320), (284, 2443940), (355, 1955152), (356, 1949660), (445, 1559728), (568, 1221970), (710, 977576), (712, 974830), (890, 779864), (1136, 610985), (1373, 505520), (1420, 488788), (1424, 487415), (1780, 389932), (2746, 252760), (2840, 244394), (3560, 194966), (5492, 126380), (5680, 122197), (6319, 109840), (6865, 101104), (7120, 97483), (10984, 63190), (12638, 54920), (13730, 50552), (21968, 31595), (25276, 27460)]