206733880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 476308800

約数和(自身を除く): 269574920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 193, 244, 305, 386, 439, 488, 610, 772, 878, 965, 1220, 1544, 1756, 1930, 2195, 2440, 3512, 3860, 4390, 7720, 8780, 11773, 17560, 23546, 26779, 47092, 53558, 58865, 84727, 94184, 107116, 117730, 133895, 169454, 214232, 235460, 267790, 338908, 423635, 470920, 535580, 677816, 847270, 1071160, 1694540, 3389080, 5168347, 10336694, 20673388, 25841735, 41346776, 51683470, 103366940, 206733880]

約数ペア:

[(1, 206733880), (2, 103366940), (4, 51683470), (5, 41346776), (8, 25841735), (10, 20673388), (20, 10336694), (40, 5168347), (61, 3389080), (122, 1694540), (193, 1071160), (244, 847270), (305, 677816), (386, 535580), (439, 470920), (488, 423635), (610, 338908), (772, 267790), (878, 235460), (965, 214232), (1220, 169454), (1544, 133895), (1756, 117730), (1930, 107116), (2195, 94184), (2440, 84727), (3512, 58865), (3860, 53558), (4390, 47092), (7720, 26779), (8780, 23546), (11773, 17560)]