740740780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1\times {\mathrm{2063}}^1$

素因数の和:3466

約数の個数: 48

約数和(自身を含む): 1677239424

約数和(自身を除く): 936498644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1381, 2063, 2762, 4126, 5524, 6905, 8252, 10315, 13810, 17953, 20630, 26819, 27620, 35906, 41260, 53638, 71812, 89765, 107276, 134095, 179530, 268190, 359060, 536380, 2849003, 5698006, 11396012, 14245015, 28490030, 37037039, 56980060, 74074078, 148148156, 185185195, 370370390, 740740780]

約数ペア:

[(1, 740740780), (2, 370370390), (4, 185185195), (5, 148148156), (10, 74074078), (13, 56980060), (20, 37037039), (26, 28490030), (52, 14245015), (65, 11396012), (130, 5698006), (260, 2849003), (1381, 536380), (2063, 359060), (2762, 268190), (4126, 179530), (5524, 134095), (6905, 107276), (8252, 89765), (10315, 71812), (13810, 53638), (17953, 41260), (20630, 35906), (26819, 27620)]