207746140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{51169}}^1$

素因数の和:51214

約数の個数: 48

約数和(自身を含む): 515793600

約数和(自身を除く): 308047460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 51169, 102338, 204676, 255845, 358183, 511690, 716366, 1023380, 1432732, 1483901, 1790915, 2967802, 3581830, 5935604, 7163660, 7419505, 10387307, 14839010, 20774614, 29678020, 41549228, 51936535, 103873070, 207746140]

約数ペア:

[(1, 207746140), (2, 103873070), (4, 51936535), (5, 41549228), (7, 29678020), (10, 20774614), (14, 14839010), (20, 10387307), (28, 7419505), (29, 7163660), (35, 5935604), (58, 3581830), (70, 2967802), (116, 1790915), (140, 1483901), (145, 1432732), (203, 1023380), (290, 716366), (406, 511690), (580, 358183), (812, 255845), (1015, 204676), (2030, 102338), (4060, 51169)]