143662040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{449}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 341820000

約数和(自身を除く): 198157960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 421, 449, 760, 842, 898, 1684, 1796, 2105, 2245, 3368, 3592, 4210, 4490, 7999, 8420, 8531, 8980, 15998, 16840, 17062, 17960, 31996, 34124, 39995, 42655, 63992, 68248, 79990, 85310, 159980, 170620, 189029, 319960, 341240, 378058, 756116, 945145, 1512232, 1890290, 3591551, 3780580, 7183102, 7561160, 14366204, 17957755, 28732408, 35915510, 71831020, 143662040]

約数ペア:

[(1, 143662040), (2, 71831020), (4, 35915510), (5, 28732408), (8, 17957755), (10, 14366204), (19, 7561160), (20, 7183102), (38, 3780580), (40, 3591551), (76, 1890290), (95, 1512232), (152, 945145), (190, 756116), (380, 378058), (421, 341240), (449, 319960), (760, 189029), (842, 170620), (898, 159980), (1684, 85310), (1796, 79990), (2105, 68248), (2245, 63992), (3368, 42655), (3592, 39995), (4210, 34124), (4490, 31996), (7999, 17960), (8420, 17062), (8531, 16840), (8980, 15998)]