247660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 624960

約数和(自身を除く): 377300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 61, 70, 116, 122, 140, 145, 203, 244, 290, 305, 406, 427, 580, 610, 812, 854, 1015, 1220, 1708, 1769, 2030, 2135, 3538, 4060, 4270, 7076, 8540, 8845, 12383, 17690, 24766, 35380, 49532, 61915, 123830, 247660]

約数ペア:

[(1, 247660), (2, 123830), (4, 61915), (5, 49532), (7, 35380), (10, 24766), (14, 17690), (20, 12383), (28, 8845), (29, 8540), (35, 7076), (58, 4270), (61, 4060), (70, 3538), (116, 2135), (122, 2030), (140, 1769), (145, 1708), (203, 1220), (244, 1015), (290, 854), (305, 812), (406, 610), (427, 580)]