1908757730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{4027}}^1$

素因数の和:4215

約数の個数: 64

約数和(自身を含む): 3897815040

約数和(自身を除く): 1989057310

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 139, 155, 278, 310, 341, 682, 695, 1390, 1529, 1705, 3058, 3410, 4027, 4309, 7645, 8054, 8618, 15290, 20135, 21545, 40270, 43090, 44297, 47399, 88594, 94798, 124837, 221485, 236995, 249674, 442970, 473990, 559753, 624185, 1119506, 1248370, 1373207, 2746414, 2798765, 5597530, 6157283, 6866035, 12314566, 13732070, 17352343, 30786415, 34704686, 61572830, 86761715, 173523430, 190875773, 381751546, 954378865, 1908757730]

約数ペア:

[(1, 1908757730), (2, 954378865), (5, 381751546), (10, 190875773), (11, 173523430), (22, 86761715), (31, 61572830), (55, 34704686), (62, 30786415), (110, 17352343), (139, 13732070), (155, 12314566), (278, 6866035), (310, 6157283), (341, 5597530), (682, 2798765), (695, 2746414), (1390, 1373207), (1529, 1248370), (1705, 1119506), (3058, 624185), (3410, 559753), (4027, 473990), (4309, 442970), (7645, 249674), (8054, 236995), (8618, 221485), (15290, 124837), (20135, 94798), (21545, 88594), (40270, 47399), (43090, 44297)]