784154120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{941}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 1794623040

約数和(自身を除く): 1010468920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 251, 332, 415, 502, 664, 830, 941, 1004, 1255, 1660, 1882, 2008, 2510, 3320, 3764, 4705, 5020, 7528, 9410, 10040, 18820, 20833, 37640, 41666, 78103, 83332, 104165, 156206, 166664, 208330, 236191, 312412, 390515, 416660, 472382, 624824, 781030, 833320, 944764, 1180955, 1562060, 1889528, 2361910, 3124120, 4723820, 9447640, 19603853, 39207706, 78415412, 98019265, 156830824, 196038530, 392077060, 784154120]

約数ペア:

[(1, 784154120), (2, 392077060), (4, 196038530), (5, 156830824), (8, 98019265), (10, 78415412), (20, 39207706), (40, 19603853), (83, 9447640), (166, 4723820), (251, 3124120), (332, 2361910), (415, 1889528), (502, 1562060), (664, 1180955), (830, 944764), (941, 833320), (1004, 781030), (1255, 624824), (1660, 472382), (1882, 416660), (2008, 390515), (2510, 312412), (3320, 236191), (3764, 208330), (4705, 166664), (5020, 156206), (7528, 104165), (9410, 83332), (10040, 78103), (18820, 41666), (20833, 37640)]