811530020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{340979}}^1$

素因数の和:341012

約数の個数: 48

約数和(自身を含む): 2062247040

約数和(自身を除く): 1250717020

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 340979, 681958, 1363916, 1704895, 2386853, 3409790, 4773706, 5796643, 6819580, 9547412, 11593286, 11934265, 23186572, 23868530, 28983215, 40576501, 47737060, 57966430, 81153002, 115932860, 162306004, 202882505, 405765010, 811530020]

約数ペア:

[(1, 811530020), (2, 405765010), (4, 202882505), (5, 162306004), (7, 115932860), (10, 81153002), (14, 57966430), (17, 47737060), (20, 40576501), (28, 28983215), (34, 23868530), (35, 23186572), (68, 11934265), (70, 11593286), (85, 9547412), (119, 6819580), (140, 5796643), (170, 4773706), (238, 3409790), (340, 2386853), (476, 1704895), (595, 1363916), (1190, 681958), (2380, 340979)]