129631490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:435

約数の個数: 48

約数和(自身を含む): 248945400

約数和(自身を除く): 119313910

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 241, 298, 361, 482, 722, 745, 1205, 1490, 1805, 2410, 2831, 3610, 4579, 5662, 9158, 14155, 22895, 28310, 35909, 45790, 53789, 71818, 87001, 107578, 174002, 179545, 268945, 359090, 435005, 537890, 682271, 870010, 1364542, 3411355, 6822710, 12963149, 25926298, 64815745, 129631490]

約数ペア:

[(1, 129631490), (2, 64815745), (5, 25926298), (10, 12963149), (19, 6822710), (38, 3411355), (95, 1364542), (149, 870010), (190, 682271), (241, 537890), (298, 435005), (361, 359090), (482, 268945), (722, 179545), (745, 174002), (1205, 107578), (1490, 87001), (1805, 71818), (2410, 53789), (2831, 45790), (3610, 35909), (4579, 28310), (5662, 22895), (9158, 14155)]