1490632040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{471719}}^1$

素因数の和:471809

約数の個数: 32

約数和(自身を含む): 3396384000

約数和(自身を除く): 1905751960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 471719, 943438, 1886876, 2358595, 3773752, 4717190, 9434380, 18868760, 37265801, 74531602, 149063204, 186329005, 298126408, 372658010, 745316020, 1490632040]

約数ペア:

[(1, 1490632040), (2, 745316020), (4, 372658010), (5, 298126408), (8, 186329005), (10, 149063204), (20, 74531602), (40, 37265801), (79, 18868760), (158, 9434380), (316, 4717190), (395, 3773752), (632, 2358595), (790, 1886876), (1580, 943438), (3160, 471719)]