677010440

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{34471}}^1$

素因数の和:34973

約数の個数: 32

約数和(自身を含む): 1526420160

約数和(自身を除く): 849409720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 19640, 34471, 68942, 137884, 172355, 275768, 344710, 689420, 1378840, 16925261, 33850522, 67701044, 84626305, 135402088, 169252610, 338505220, 677010440]

約数ペア:

[(1, 677010440), (2, 338505220), (4, 169252610), (5, 135402088), (8, 84626305), (10, 67701044), (20, 33850522), (40, 16925261), (491, 1378840), (982, 689420), (1964, 344710), (2455, 275768), (3928, 172355), (4910, 137884), (9820, 68942), (19640, 34471)]