221445838660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8923}}^1\times {\mathrm{65309}}^1$

素因数の和:74260

約数の個数: 48

約数和(自身を含む): 489574209600

約数和(自身を除く): 268128370940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 8923, 17846, 35692, 44615, 65309, 89230, 130618, 169537, 178460, 261236, 326545, 339074, 653090, 678148, 847685, 1240871, 1306180, 1695370, 2481742, 3390740, 4963484, 6204355, 12408710, 24817420, 582752207, 1165504414, 2331008828, 2913761035, 5827522070, 11072291933, 11655044140, 22144583866, 44289167732, 55361459665, 110722919330, 221445838660]

約数ペア:

[(1, 221445838660), (2, 110722919330), (4, 55361459665), (5, 44289167732), (10, 22144583866), (19, 11655044140), (20, 11072291933), (38, 5827522070), (76, 2913761035), (95, 2331008828), (190, 1165504414), (380, 582752207), (8923, 24817420), (17846, 12408710), (35692, 6204355), (44615, 4963484), (65309, 3390740), (89230, 2481742), (130618, 1695370), (169537, 1306180), (178460, 1240871), (261236, 847685), (326545, 678148), (339074, 653090)]