996865280

素因数分解:

$2^8\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3691}}^1$

素因数の和:3923

約数の個数: 72

約数和(自身を含む): 2399770464

約数和(自身を除く): 1402905184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 640, 844, 1055, 1280, 1688, 2110, 3376, 3691, 4220, 6752, 7382, 8440, 13504, 14764, 16880, 18455, 27008, 29528, 33760, 36910, 54016, 59056, 67520, 73820, 118112, 135040, 147640, 236224, 270080, 295280, 472448, 590560, 778801, 944896, 1181120, 1557602, 2362240, 3115204, 3894005, 4724480, 6230408, 7788010, 12460816, 15576020, 24921632, 31152040, 49843264, 62304080, 99686528, 124608160, 199373056, 249216320, 498432640, 996865280]

約数ペア:

[(1, 996865280), (2, 498432640), (4, 249216320), (5, 199373056), (8, 124608160), (10, 99686528), (16, 62304080), (20, 49843264), (32, 31152040), (40, 24921632), (64, 15576020), (80, 12460816), (128, 7788010), (160, 6230408), (211, 4724480), (256, 3894005), (320, 3115204), (422, 2362240), (640, 1557602), (844, 1181120), (1055, 944896), (1280, 778801), (1688, 590560), (2110, 472448), (3376, 295280), (3691, 270080), (4220, 236224), (6752, 147640), (7382, 135040), (8440, 118112), (13504, 73820), (14764, 67520), (16880, 59056), (18455, 54016), (27008, 36910), (29528, 33760)]