248711242280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{1669}}^1$

素因数の和:2287

約数の個数: 128

約数和(自身を含む): 574212132000

約数和(自身を除く): 325500889720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 157, 244, 305, 314, 389, 488, 610, 628, 778, 785, 1220, 1256, 1556, 1570, 1669, 1945, 2440, 3112, 3140, 3338, 3890, 6280, 6676, 7780, 8345, 9577, 13352, 15560, 16690, 19154, 23729, 33380, 38308, 47458, 47885, 61073, 66760, 76616, 94916, 95770, 101809, 118645, 122146, 189832, 191540, 203618, 237290, 244292, 262033, 305365, 383080, 407236, 474580, 488584, 509045, 524066, 610730, 649241, 814472, 949160, 1018090, 1048132, 1221460, 1298482, 1310165, 2036180, 2096264, 2442920, 2596964, 2620330, 3246205, 3725453, 4072360, 5193928, 5240660, 6492410, 7450906, 10481320, 12984820, 14901812, 15984013, 18627265, 25969640, 29803624, 31968026, 37254530, 39603701, 63936052, 74509060, 79207402, 79920065, 101930837, 127872104, 149018120, 158414804, 159840130, 198018505, 203861674, 316829608, 319680260, 396037010, 407723348, 509654185, 639360520, 792074020, 815446696, 1019308370, 1584148040, 2038616740, 4077233480, 6217781057, 12435562114, 24871124228, 31088905285, 49742248456, 62177810570, 124355621140, 248711242280]

約数ペア:

[(1, 248711242280), (2, 124355621140), (4, 62177810570), (5, 49742248456), (8, 31088905285), (10, 24871124228), (20, 12435562114), (40, 6217781057), (61, 4077233480), (122, 2038616740), (157, 1584148040), (244, 1019308370), (305, 815446696), (314, 792074020), (389, 639360520), (488, 509654185), (610, 407723348), (628, 396037010), (778, 319680260), (785, 316829608), (1220, 203861674), (1256, 198018505), (1556, 159840130), (1570, 158414804), (1669, 149018120), (1945, 127872104), (2440, 101930837), (3112, 79920065), (3140, 79207402), (3338, 74509060), (3890, 63936052), (6280, 39603701), (6676, 37254530), (7780, 31968026), (8345, 29803624), (9577, 25969640), (13352, 18627265), (15560, 15984013), (16690, 14901812), (19154, 12984820), (23729, 10481320), (33380, 7450906), (38308, 6492410), (47458, 5240660), (47885, 5193928), (61073, 4072360), (66760, 3725453), (76616, 3246205), (94916, 2620330), (95770, 2596964), (101809, 2442920), (118645, 2096264), (122146, 2036180), (189832, 1310165), (191540, 1298482), (203618, 1221460), (237290, 1048132), (244292, 1018090), (262033, 949160), (305365, 814472), (383080, 649241), (407236, 610730), (474580, 524066), (488584, 509045)]