206537980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{49411}}^1$

素因数の和:49450

約数の個数: 48

約数和(自身を含む): 498072960

約数和(自身を除く): 291534980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 49411, 98822, 197644, 247055, 494110, 543521, 938809, 988220, 1087042, 1877618, 2174084, 2717605, 3755236, 4694045, 5435210, 9388090, 10326899, 10870420, 18776180, 20653798, 41307596, 51634495, 103268990, 206537980]

約数ペア:

[(1, 206537980), (2, 103268990), (4, 51634495), (5, 41307596), (10, 20653798), (11, 18776180), (19, 10870420), (20, 10326899), (22, 9388090), (38, 5435210), (44, 4694045), (55, 3755236), (76, 2717605), (95, 2174084), (110, 1877618), (190, 1087042), (209, 988220), (220, 938809), (380, 543521), (418, 494110), (836, 247055), (1045, 197644), (2090, 98822), (4180, 49411)]