2912050040

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1\times {\mathrm{1361}}^1$

素因数の和:1880

約数の個数: 64

約数和(自身を含む): 6619320000

約数和(自身を除く): 3707269960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 359, 596, 718, 745, 1192, 1361, 1436, 1490, 1795, 2722, 2872, 2980, 3590, 5444, 5960, 6805, 7180, 10888, 13610, 14360, 27220, 53491, 54440, 106982, 202789, 213964, 267455, 405578, 427928, 488599, 534910, 811156, 977198, 1013945, 1069820, 1622312, 1954396, 2027890, 2139640, 2442995, 3908792, 4055780, 4885990, 8111560, 9771980, 19543960, 72801251, 145602502, 291205004, 364006255, 582410008, 728012510, 1456025020, 2912050040]

約数ペア:

[(1, 2912050040), (2, 1456025020), (4, 728012510), (5, 582410008), (8, 364006255), (10, 291205004), (20, 145602502), (40, 72801251), (149, 19543960), (298, 9771980), (359, 8111560), (596, 4885990), (718, 4055780), (745, 3908792), (1192, 2442995), (1361, 2139640), (1436, 2027890), (1490, 1954396), (1795, 1622312), (2722, 1069820), (2872, 1013945), (2980, 977198), (3590, 811156), (5444, 534910), (5960, 488599), (6805, 427928), (7180, 405578), (10888, 267455), (13610, 213964), (14360, 202789), (27220, 106982), (53491, 54440)]