390785860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{1471}}^1$

素因数の和:1876

約数の個数: 48

約数和(自身を含む): 845752320

約数和(自身を除く): 454966460

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 359, 370, 718, 740, 1436, 1471, 1795, 2942, 3590, 5884, 7180, 7355, 13283, 14710, 26566, 29420, 53132, 54427, 66415, 108854, 132830, 217708, 265660, 272135, 528089, 544270, 1056178, 1088540, 2112356, 2640445, 5280890, 10561780, 19539293, 39078586, 78157172, 97696465, 195392930, 390785860]

約数ペア:

[(1, 390785860), (2, 195392930), (4, 97696465), (5, 78157172), (10, 39078586), (20, 19539293), (37, 10561780), (74, 5280890), (148, 2640445), (185, 2112356), (359, 1088540), (370, 1056178), (718, 544270), (740, 528089), (1436, 272135), (1471, 265660), (1795, 217708), (2942, 132830), (3590, 108854), (5884, 66415), (7180, 54427), (7355, 53132), (13283, 29420), (14710, 26566)]