279644820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51217}}^1$

素因数の和:51249

約数の個数: 96

約数和(自身を含む): 963717888

約数和(自身を除く): 684073068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 51217, 102434, 153651, 204868, 256085, 307302, 358519, 512170, 614604, 665821, 717038, 768255, 1024340, 1075557, 1331642, 1434076, 1536510, 1792595, 1997463, 2151114, 2663284, 3073020, 3329105, 3585190, 3994926, 4302228, 4660747, 5377785, 6658210, 7170380, 7989852, 9321494, 9987315, 10755570, 13316420, 13982241, 18642988, 19974630, 21511140, 23303735, 27964482, 39949260, 46607470, 55928964, 69911205, 93214940, 139822410, 279644820]

約数ペア:

[(1, 279644820), (2, 139822410), (3, 93214940), (4, 69911205), (5, 55928964), (6, 46607470), (7, 39949260), (10, 27964482), (12, 23303735), (13, 21511140), (14, 19974630), (15, 18642988), (20, 13982241), (21, 13316420), (26, 10755570), (28, 9987315), (30, 9321494), (35, 7989852), (39, 7170380), (42, 6658210), (52, 5377785), (60, 4660747), (65, 4302228), (70, 3994926), (78, 3585190), (84, 3329105), (91, 3073020), (105, 2663284), (130, 2151114), (140, 1997463), (156, 1792595), (182, 1536510), (195, 1434076), (210, 1331642), (260, 1075557), (273, 1024340), (364, 768255), (390, 717038), (420, 665821), (455, 614604), (546, 512170), (780, 358519), (910, 307302), (1092, 256085), (1365, 204868), (1820, 153651), (2730, 102434), (5460, 51217)]