1597900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 54

約数和(自身を含む): 3780140

約数和(自身を除く): 2182240

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 841, 950, 1102, 1450, 1682, 1900, 2204, 2755, 2900, 3364, 4205, 5510, 8410, 11020, 13775, 15979, 16820, 21025, 27550, 31958, 42050, 55100, 63916, 79895, 84100, 159790, 319580, 399475, 798950, 1597900]

約数ペア:

[(1, 1597900), (2, 798950), (4, 399475), (5, 319580), (10, 159790), (19, 84100), (20, 79895), (25, 63916), (29, 55100), (38, 42050), (50, 31958), (58, 27550), (76, 21025), (95, 16820), (100, 15979), (116, 13775), (145, 11020), (190, 8410), (290, 5510), (380, 4205), (475, 3364), (551, 2900), (580, 2755), (725, 2204), (841, 1900), (950, 1682), (1102, 1450)]