123187240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1879}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 304560000

約数和(自身を除く): 181372760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1490, 1639, 1879, 2980, 3278, 3758, 5960, 6556, 7516, 8195, 9395, 13112, 15032, 16390, 18790, 20669, 32780, 37580, 41338, 65560, 75160, 82676, 103345, 165352, 206690, 279971, 413380, 559942, 826760, 1119884, 1399855, 2239768, 2799710, 3079681, 5599420, 6159362, 11198840, 12318724, 15398405, 24637448, 30796810, 61593620, 123187240]

約数ペア:

[(1, 123187240), (2, 61593620), (4, 30796810), (5, 24637448), (8, 15398405), (10, 12318724), (11, 11198840), (20, 6159362), (22, 5599420), (40, 3079681), (44, 2799710), (55, 2239768), (88, 1399855), (110, 1119884), (149, 826760), (220, 559942), (298, 413380), (440, 279971), (596, 206690), (745, 165352), (1192, 103345), (1490, 82676), (1639, 75160), (1879, 65560), (2980, 41338), (3278, 37580), (3758, 32780), (5960, 20669), (6556, 18790), (7516, 16390), (8195, 15032), (9395, 13112)]