1373648840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{434699}}^1$

素因数の和:434789

約数の個数: 32

約数和(自身を含む): 3129840000

約数和(自身を除く): 1756191160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 434699, 869398, 1738796, 2173495, 3477592, 4346990, 8693980, 17387960, 34341221, 68682442, 137364884, 171706105, 274729768, 343412210, 686824420, 1373648840]

約数ペア:

[(1, 1373648840), (2, 686824420), (4, 343412210), (5, 274729768), (8, 171706105), (10, 137364884), (20, 68682442), (40, 34341221), (79, 17387960), (158, 8693980), (316, 4346990), (395, 3477592), (632, 2173495), (790, 1738796), (1580, 869398), (3160, 434699)]