200655845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 290594304

約数和(自身を除く): 89938459

約数列:

[1, 5, 13, 17, 41, 43, 65, 85, 103, 205, 215, 221, 515, 533, 559, 697, 731, 1105, 1339, 1751, 1763, 2665, 2795, 3485, 3655, 4223, 4429, 6695, 8755, 8815, 9061, 9503, 21115, 22145, 22763, 22919, 29971, 45305, 47515, 54899, 57577, 71791, 75293, 113815, 114595, 149855, 181589, 274495, 287885, 358955, 376465, 389623, 907945, 933283, 978809, 1948115, 2360657, 3087013, 4666415, 4894045, 11803285, 15435065, 40131169, 200655845]

約数ペア:

[(1, 200655845), (5, 40131169), (13, 15435065), (17, 11803285), (41, 4894045), (43, 4666415), (65, 3087013), (85, 2360657), (103, 1948115), (205, 978809), (215, 933283), (221, 907945), (515, 389623), (533, 376465), (559, 358955), (697, 287885), (731, 274495), (1105, 181589), (1339, 149855), (1751, 114595), (1763, 113815), (2665, 75293), (2795, 71791), (3485, 57577), (3655, 54899), (4223, 47515), (4429, 45305), (6695, 29971), (8755, 22919), (8815, 22763), (9061, 22145), (9503, 21115)]