1444760120

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{331367}}^1$

素因数の和:331487

約数の個数: 32

約数和(自身を含む): 3280543200

約数和(自身を除く): 1835783080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 331367, 662734, 1325468, 1656835, 2650936, 3313670, 6627340, 13254680, 36119003, 72238006, 144476012, 180595015, 288952024, 361190030, 722380060, 1444760120]

約数ペア:

[(1, 1444760120), (2, 722380060), (4, 361190030), (5, 288952024), (8, 180595015), (10, 144476012), (20, 72238006), (40, 36119003), (109, 13254680), (218, 6627340), (436, 3313670), (545, 2650936), (872, 1656835), (1090, 1325468), (2180, 662734), (4360, 331367)]