196357760

素因数分解:

$2^7\times 5^1\times {\mathrm{306809}}^1$

素因数の和:306828

約数の個数: 32

約数和(自身を含む): 469419300

約数和(自身を除く): 273061540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 306809, 613618, 1227236, 1534045, 2454472, 3068090, 4908944, 6136180, 9817888, 12272360, 19635776, 24544720, 39271552, 49089440, 98178880, 196357760]

約数ペア:

[(1, 196357760), (2, 98178880), (4, 49089440), (5, 39271552), (8, 24544720), (10, 19635776), (16, 12272360), (20, 9817888), (32, 6136180), (40, 4908944), (64, 3068090), (80, 2454472), (128, 1534045), (160, 1227236), (320, 613618), (640, 306809)]