2786599681900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{499}}^1\times {\mathrm{1362041}}^1$

素因数の和:1362595

約数の個数: 72

約数和(自身を含む): 6206825394000

約数和(自身を除く): 3420225712100

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 499, 820, 998, 1025, 1996, 2050, 2495, 4100, 4990, 9980, 12475, 20459, 24950, 40918, 49900, 81836, 102295, 204590, 409180, 511475, 1022950, 1362041, 2045900, 2724082, 5448164, 6810205, 13620410, 27240820, 34051025, 55843681, 68102050, 111687362, 136204100, 223374724, 279218405, 558436810, 679658459, 1116873620, 1359316918, 1396092025, 2718633836, 2792184050, 3398292295, 5584368100, 6796584590, 13593169180, 16991461475, 27865996819, 33982922950, 55731993638, 67965845900, 111463987276, 139329984095, 278659968190, 557319936380, 696649920475, 1393299840950, 2786599681900]

約数ペア:

[(1, 2786599681900), (2, 1393299840950), (4, 696649920475), (5, 557319936380), (10, 278659968190), (20, 139329984095), (25, 111463987276), (41, 67965845900), (50, 55731993638), (82, 33982922950), (100, 27865996819), (164, 16991461475), (205, 13593169180), (410, 6796584590), (499, 5584368100), (820, 3398292295), (998, 2792184050), (1025, 2718633836), (1996, 1396092025), (2050, 1359316918), (2495, 1116873620), (4100, 679658459), (4990, 558436810), (9980, 279218405), (12475, 223374724), (20459, 136204100), (24950, 111687362), (40918, 68102050), (49900, 55843681), (81836, 34051025), (102295, 27240820), (204590, 13620410), (409180, 6810205), (511475, 5448164), (1022950, 2724082), (1362041, 2045900)]