839415920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4789}}^1$

素因数の和:5122

約数の個数: 80

約数和(自身を含む): 2238041280

約数和(自身を除く): 1398625360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 313, 560, 626, 1252, 1565, 2191, 2504, 3130, 4382, 4789, 5008, 6260, 8764, 9578, 10955, 12520, 17528, 19156, 21910, 23945, 25040, 33523, 35056, 38312, 43820, 47890, 67046, 76624, 87640, 95780, 134092, 167615, 175280, 191560, 268184, 335230, 383120, 536368, 670460, 1340920, 1498957, 2681840, 2997914, 5995828, 7494785, 10492699, 11991656, 14989570, 20985398, 23983312, 29979140, 41970796, 52463495, 59958280, 83941592, 104926990, 119916560, 167883184, 209853980, 419707960, 839415920]

約数ペア:

[(1, 839415920), (2, 419707960), (4, 209853980), (5, 167883184), (7, 119916560), (8, 104926990), (10, 83941592), (14, 59958280), (16, 52463495), (20, 41970796), (28, 29979140), (35, 23983312), (40, 20985398), (56, 14989570), (70, 11991656), (80, 10492699), (112, 7494785), (140, 5995828), (280, 2997914), (313, 2681840), (560, 1498957), (626, 1340920), (1252, 670460), (1565, 536368), (2191, 383120), (2504, 335230), (3130, 268184), (4382, 191560), (4789, 175280), (5008, 167615), (6260, 134092), (8764, 95780), (9578, 87640), (10955, 76624), (12520, 67046), (17528, 47890), (19156, 43820), (21910, 38312), (23945, 35056), (25040, 33523)]