690460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 1612800

約数和(自身を除く): 922340

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 79, 92, 95, 115, 158, 190, 230, 316, 380, 395, 437, 460, 790, 874, 1501, 1580, 1748, 1817, 2185, 3002, 3634, 4370, 6004, 7268, 7505, 8740, 9085, 15010, 18170, 30020, 34523, 36340, 69046, 138092, 172615, 345230, 690460]

約数ペア:

[(1, 690460), (2, 345230), (4, 172615), (5, 138092), (10, 69046), (19, 36340), (20, 34523), (23, 30020), (38, 18170), (46, 15010), (76, 9085), (79, 8740), (92, 7505), (95, 7268), (115, 6004), (158, 4370), (190, 3634), (230, 3002), (316, 2185), (380, 1817), (395, 1748), (437, 1580), (460, 1501), (790, 874)]