231299540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8573}}^1$

素因数の和:8672

約数の個数: 48

約数和(自身を含む): 518555520

約数和(自身を除く): 287255980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 1349, 1420, 2698, 5396, 6745, 8573, 13490, 17146, 26980, 34292, 42865, 85730, 162887, 171460, 325774, 608683, 651548, 814435, 1217366, 1628870, 2434732, 3043415, 3257740, 6086830, 11564977, 12173660, 23129954, 46259908, 57824885, 115649770, 231299540]

約数ペア:

[(1, 231299540), (2, 115649770), (4, 57824885), (5, 46259908), (10, 23129954), (19, 12173660), (20, 11564977), (38, 6086830), (71, 3257740), (76, 3043415), (95, 2434732), (142, 1628870), (190, 1217366), (284, 814435), (355, 651548), (380, 608683), (710, 325774), (1349, 171460), (1420, 162887), (2698, 85730), (5396, 42865), (6745, 34292), (8573, 26980), (13490, 17146)]