728380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 1552320

約数和(自身を除く): 823940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 461, 790, 922, 1580, 1844, 2305, 4610, 9220, 36419, 72838, 145676, 182095, 364190, 728380]

約数ペア:

[(1, 728380), (2, 364190), (4, 182095), (5, 145676), (10, 72838), (20, 36419), (79, 9220), (158, 4610), (316, 2305), (395, 1844), (461, 1580), (790, 922)]