156732140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1489}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 347944800

約数和(自身を除く): 191212660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 277, 380, 554, 1108, 1385, 1489, 2770, 2978, 5263, 5540, 5956, 7445, 10526, 14890, 21052, 26315, 28291, 29780, 52630, 56582, 105260, 113164, 141455, 282910, 412453, 565820, 824906, 1649812, 2062265, 4124530, 7836607, 8249060, 15673214, 31346428, 39183035, 78366070, 156732140]

約数ペア:

[(1, 156732140), (2, 78366070), (4, 39183035), (5, 31346428), (10, 15673214), (19, 8249060), (20, 7836607), (38, 4124530), (76, 2062265), (95, 1649812), (190, 824906), (277, 565820), (380, 412453), (554, 282910), (1108, 141455), (1385, 113164), (1489, 105260), (2770, 56582), (2978, 52630), (5263, 29780), (5540, 28291), (5956, 26315), (7445, 21052), (10526, 14890)]