312511420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{92459}}^1$

素因数の和:92494

約数の個数: 36

約数和(自身を含む): 710647560

約数和(自身を除く): 398136140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 92459, 184918, 369836, 462295, 924590, 1201967, 1849180, 2403934, 4807868, 6009835, 12019670, 15625571, 24039340, 31251142, 62502284, 78127855, 156255710, 312511420]

約数ペア:

[(1, 312511420), (2, 156255710), (4, 78127855), (5, 62502284), (10, 31251142), (13, 24039340), (20, 15625571), (26, 12019670), (52, 6009835), (65, 4807868), (130, 2403934), (169, 1849180), (260, 1201967), (338, 924590), (676, 462295), (845, 369836), (1690, 184918), (3380, 92459)]