620540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 1451520

約数和(自身を除く): 830980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 71, 76, 92, 95, 115, 142, 190, 230, 284, 355, 380, 437, 460, 710, 874, 1349, 1420, 1633, 1748, 2185, 2698, 3266, 4370, 5396, 6532, 6745, 8165, 8740, 13490, 16330, 26980, 31027, 32660, 62054, 124108, 155135, 310270, 620540]

約数ペア:

[(1, 620540), (2, 310270), (4, 155135), (5, 124108), (10, 62054), (19, 32660), (20, 31027), (23, 26980), (38, 16330), (46, 13490), (71, 8740), (76, 8165), (92, 6745), (95, 6532), (115, 5396), (142, 4370), (190, 3266), (230, 2698), (284, 2185), (355, 1748), (380, 1633), (437, 1420), (460, 1349), (710, 874)]