2649140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:488

約数の個数: 48

約数和(自身を含む): 6265728

約数和(自身を除く): 3616588

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 443, 460, 598, 886, 1196, 1495, 1772, 2215, 2990, 4430, 5759, 5980, 8860, 10189, 11518, 20378, 23036, 28795, 40756, 50945, 57590, 101890, 115180, 132457, 203780, 264914, 529828, 662285, 1324570, 2649140]

約数ペア:

[(1, 2649140), (2, 1324570), (4, 662285), (5, 529828), (10, 264914), (13, 203780), (20, 132457), (23, 115180), (26, 101890), (46, 57590), (52, 50945), (65, 40756), (92, 28795), (115, 23036), (130, 20378), (230, 11518), (260, 10189), (299, 8860), (443, 5980), (460, 5759), (598, 4430), (886, 2990), (1196, 2215), (1495, 1772)]