12021490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 25482240

約数和(自身を除く): 13460750

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 157, 190, 247, 310, 314, 403, 494, 589, 785, 806, 1178, 1235, 1570, 2015, 2041, 2470, 2945, 2983, 4030, 4082, 4867, 5890, 5966, 7657, 9734, 10205, 14915, 15314, 20410, 24335, 29830, 38285, 38779, 48670, 63271, 76570, 77558, 92473, 126542, 184946, 193895, 316355, 387790, 462365, 632710, 924730, 1202149, 2404298, 6010745, 12021490]

約数ペア:

[(1, 12021490), (2, 6010745), (5, 2404298), (10, 1202149), (13, 924730), (19, 632710), (26, 462365), (31, 387790), (38, 316355), (62, 193895), (65, 184946), (95, 126542), (130, 92473), (155, 77558), (157, 76570), (190, 63271), (247, 48670), (310, 38779), (314, 38285), (403, 29830), (494, 24335), (589, 20410), (785, 15314), (806, 14915), (1178, 10205), (1235, 9734), (1570, 7657), (2015, 5966), (2041, 5890), (2470, 4867), (2945, 4082), (2983, 4030)]