201449660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20431}}^1$

素因数の和:20486

約数の個数: 48

約数和(自身を含む): 463397760

約数和(自身を除く): 261948100

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 4930, 9860, 20431, 40862, 81724, 102155, 204310, 347327, 408620, 592499, 694654, 1184998, 1389308, 1736635, 2369996, 2962495, 3473270, 5924990, 6946540, 10072483, 11849980, 20144966, 40289932, 50362415, 100724830, 201449660]

約数ペア:

[(1, 201449660), (2, 100724830), (4, 50362415), (5, 40289932), (10, 20144966), (17, 11849980), (20, 10072483), (29, 6946540), (34, 5924990), (58, 3473270), (68, 2962495), (85, 2369996), (116, 1736635), (145, 1389308), (170, 1184998), (290, 694654), (340, 592499), (493, 408620), (580, 347327), (986, 204310), (1972, 102155), (2465, 81724), (4930, 40862), (9860, 20431)]