409741060

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1\times {\mathrm{383}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 870912000

約数和(自身を除く): 461170940

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 359, 383, 596, 718, 745, 766, 1436, 1490, 1532, 1795, 1915, 2980, 3590, 3830, 7180, 7660, 53491, 57067, 106982, 114134, 137497, 213964, 228268, 267455, 274994, 285335, 534910, 549988, 570670, 687485, 1069820, 1141340, 1374970, 2749940, 20487053, 40974106, 81948212, 102435265, 204870530, 409741060]

約数ペア:

[(1, 409741060), (2, 204870530), (4, 102435265), (5, 81948212), (10, 40974106), (20, 20487053), (149, 2749940), (298, 1374970), (359, 1141340), (383, 1069820), (596, 687485), (718, 570670), (745, 549988), (766, 534910), (1436, 285335), (1490, 274994), (1532, 267455), (1795, 228268), (1915, 213964), (2980, 137497), (3590, 114134), (3830, 106982), (7180, 57067), (7660, 53491)]