1664020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 3830400

約数和(自身を除く): 2166380

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 151, 190, 290, 302, 380, 551, 580, 604, 755, 1102, 1510, 2204, 2755, 2869, 3020, 4379, 5510, 5738, 8758, 11020, 11476, 14345, 17516, 21895, 28690, 43790, 57380, 83201, 87580, 166402, 332804, 416005, 832010, 1664020]

約数ペア:

[(1, 1664020), (2, 832010), (4, 416005), (5, 332804), (10, 166402), (19, 87580), (20, 83201), (29, 57380), (38, 43790), (58, 28690), (76, 21895), (95, 17516), (116, 14345), (145, 11476), (151, 11020), (190, 8758), (290, 5738), (302, 5510), (380, 4379), (551, 3020), (580, 2869), (604, 2755), (755, 2204), (1102, 1510)]