139300820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 299230848

約数和(自身を除く): 159930028

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 227, 244, 305, 454, 503, 610, 908, 1006, 1135, 1220, 2012, 2270, 2515, 4540, 5030, 10060, 13847, 27694, 30683, 55388, 61366, 69235, 114181, 122732, 138470, 153415, 228362, 276940, 306830, 456724, 570905, 613660, 1141810, 2283620, 6965041, 13930082, 27860164, 34825205, 69650410, 139300820]

約数ペア:

[(1, 139300820), (2, 69650410), (4, 34825205), (5, 27860164), (10, 13930082), (20, 6965041), (61, 2283620), (122, 1141810), (227, 613660), (244, 570905), (305, 456724), (454, 306830), (503, 276940), (610, 228362), (908, 153415), (1006, 138470), (1135, 122732), (1220, 114181), (2012, 69235), (2270, 61366), (2515, 55388), (4540, 30683), (5030, 27694), (10060, 13847)]