89353040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 238615680

約数和(自身を除く): 149262640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 379, 421, 560, 758, 842, 1516, 1684, 1895, 2105, 2653, 2947, 3032, 3368, 3790, 4210, 5306, 5894, 6064, 6736, 7580, 8420, 10612, 11788, 13265, 14735, 15160, 16840, 21224, 23576, 26530, 29470, 30320, 33680, 42448, 47152, 53060, 58940, 106120, 117880, 159559, 212240, 235760, 319118, 638236, 797795, 1116913, 1276472, 1595590, 2233826, 2552944, 3191180, 4467652, 5584565, 6382360, 8935304, 11169130, 12764720, 17870608, 22338260, 44676520, 89353040]

約数ペア:

[(1, 89353040), (2, 44676520), (4, 22338260), (5, 17870608), (7, 12764720), (8, 11169130), (10, 8935304), (14, 6382360), (16, 5584565), (20, 4467652), (28, 3191180), (35, 2552944), (40, 2233826), (56, 1595590), (70, 1276472), (80, 1116913), (112, 797795), (140, 638236), (280, 319118), (379, 235760), (421, 212240), (560, 159559), (758, 117880), (842, 106120), (1516, 58940), (1684, 53060), (1895, 47152), (2105, 42448), (2653, 33680), (2947, 30320), (3032, 29470), (3368, 26530), (3790, 23576), (4210, 21224), (5306, 16840), (5894, 15160), (6064, 14735), (6736, 13265), (7580, 11788), (8420, 10612)]