170720110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 339948000

約数和(自身を除く): 169227890

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 605, 709, 995, 1210, 1418, 1990, 2189, 3545, 4378, 7090, 7799, 10945, 15598, 21890, 24079, 38995, 48158, 77990, 85789, 120395, 141091, 171578, 240790, 282182, 428945, 705455, 857890, 1410910, 1552001, 3104002, 7760005, 15520010, 17072011, 34144022, 85360055, 170720110]

約数ペア:

[(1, 170720110), (2, 85360055), (5, 34144022), (10, 17072011), (11, 15520010), (22, 7760005), (55, 3104002), (110, 1552001), (121, 1410910), (199, 857890), (242, 705455), (398, 428945), (605, 282182), (709, 240790), (995, 171578), (1210, 141091), (1418, 120395), (1990, 85789), (2189, 77990), (3545, 48158), (4378, 38995), (7090, 24079), (7799, 21890), (10945, 15598)]