2145228680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{7661531}}^1$

素因数の和:7661549

約数の個数: 32

約数和(自身を含む): 5516303040

約数和(自身を除く): 3371074360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7661531, 15323062, 30646124, 38307655, 53630717, 61292248, 76615310, 107261434, 153230620, 214522868, 268153585, 306461240, 429045736, 536307170, 1072614340, 2145228680]

約数ペア:

[(1, 2145228680), (2, 1072614340), (4, 536307170), (5, 429045736), (7, 306461240), (8, 268153585), (10, 214522868), (14, 153230620), (20, 107261434), (28, 76615310), (35, 61292248), (40, 53630717), (56, 38307655), (70, 30646124), (140, 15323062), (280, 7661531)]