290423960

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{1129}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 671220000

約数和(自身を除く): 380796040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 109, 118, 218, 236, 295, 436, 472, 545, 590, 872, 1090, 1129, 1180, 2180, 2258, 2360, 4360, 4516, 5645, 6431, 9032, 11290, 12862, 22580, 25724, 32155, 45160, 51448, 64310, 66611, 123061, 128620, 133222, 246122, 257240, 266444, 333055, 492244, 532888, 615305, 666110, 984488, 1230610, 1332220, 2461220, 2664440, 4922440, 7260599, 14521198, 29042396, 36302995, 58084792, 72605990, 145211980, 290423960]

約数ペア:

[(1, 290423960), (2, 145211980), (4, 72605990), (5, 58084792), (8, 36302995), (10, 29042396), (20, 14521198), (40, 7260599), (59, 4922440), (109, 2664440), (118, 2461220), (218, 1332220), (236, 1230610), (295, 984488), (436, 666110), (472, 615305), (545, 532888), (590, 492244), (872, 333055), (1090, 266444), (1129, 257240), (1180, 246122), (2180, 133222), (2258, 128620), (2360, 123061), (4360, 66611), (4516, 64310), (5645, 51448), (6431, 45160), (9032, 32155), (11290, 25724), (12862, 22580)]