389441750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{761}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 770290560

約数和(自身を除く): 380848810

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 89, 115, 125, 178, 230, 250, 445, 575, 761, 890, 1150, 1522, 2047, 2225, 2875, 3805, 4094, 4450, 5750, 7610, 10235, 11125, 17503, 19025, 20470, 22250, 35006, 38050, 51175, 67729, 87515, 95125, 102350, 135458, 175030, 190250, 255875, 338645, 437575, 511750, 677290, 875150, 1557767, 1693225, 2187875, 3115534, 3386450, 4375750, 7788835, 8466125, 15577670, 16932250, 38944175, 77888350, 194720875, 389441750]

約数ペア:

[(1, 389441750), (2, 194720875), (5, 77888350), (10, 38944175), (23, 16932250), (25, 15577670), (46, 8466125), (50, 7788835), (89, 4375750), (115, 3386450), (125, 3115534), (178, 2187875), (230, 1693225), (250, 1557767), (445, 875150), (575, 677290), (761, 511750), (890, 437575), (1150, 338645), (1522, 255875), (2047, 190250), (2225, 175030), (2875, 135458), (3805, 102350), (4094, 95125), (4450, 87515), (5750, 67729), (7610, 51175), (10235, 38050), (11125, 35006), (17503, 22250), (19025, 20470)]