1881220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 4572288

約数和(自身を除く): 2691068

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 503, 748, 935, 1006, 1870, 2012, 2515, 3740, 5030, 5533, 8551, 10060, 11066, 17102, 22132, 27665, 34204, 42755, 55330, 85510, 94061, 110660, 171020, 188122, 376244, 470305, 940610, 1881220]

約数ペア:

[(1, 1881220), (2, 940610), (4, 470305), (5, 376244), (10, 188122), (11, 171020), (17, 110660), (20, 94061), (22, 85510), (34, 55330), (44, 42755), (55, 34204), (68, 27665), (85, 22132), (110, 17102), (170, 11066), (187, 10060), (220, 8551), (340, 5533), (374, 5030), (503, 3740), (748, 2515), (935, 2012), (1006, 1870)]