7847354920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{23957}}^1$

素因数の和:24418

約数の個数: 64

約数和(自身を含む): 18629740800

約数和(自身を除く): 10782385880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 431, 760, 862, 1724, 2155, 3448, 4310, 8189, 8620, 16378, 17240, 23957, 32756, 40945, 47914, 65512, 81890, 95828, 119785, 163780, 191656, 239570, 327560, 455183, 479140, 910366, 958280, 1820732, 2275915, 3641464, 4551830, 9103660, 10325467, 18207320, 20650934, 41301868, 51627335, 82603736, 103254670, 196183873, 206509340, 392367746, 413018680, 784735492, 980919365, 1569470984, 1961838730, 3923677460, 7847354920]

約数ペア:

[(1, 7847354920), (2, 3923677460), (4, 1961838730), (5, 1569470984), (8, 980919365), (10, 784735492), (19, 413018680), (20, 392367746), (38, 206509340), (40, 196183873), (76, 103254670), (95, 82603736), (152, 51627335), (190, 41301868), (380, 20650934), (431, 18207320), (760, 10325467), (862, 9103660), (1724, 4551830), (2155, 3641464), (3448, 2275915), (4310, 1820732), (8189, 958280), (8620, 910366), (16378, 479140), (17240, 455183), (23957, 327560), (32756, 239570), (40945, 191656), (47914, 163780), (65512, 119785), (81890, 95828)]