1383996901100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{17720831}}^1$

素因数の和:17720927

約数の個数: 72

約数和(自身を含む): 3322443350016

約数和(自身を除く): 1938446448916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 220, 275, 284, 355, 550, 710, 781, 1100, 1420, 1562, 1775, 3124, 3550, 3905, 7100, 7810, 15620, 19525, 39050, 78100, 17720831, 35441662, 70883324, 88604155, 177208310, 194929141, 354416620, 389858282, 443020775, 779716564, 886041550, 974645705, 1258179001, 1772083100, 1949291410, 2516358002, 3898582820, 4873228525, 5032716004, 6290895005, 9746457050, 12581790010, 13839969011, 19492914100, 25163580020, 27679938022, 31454475025, 55359876044, 62908950050, 69199845055, 125817900100, 138399690110, 276799380220, 345999225275, 691998450550, 1383996901100]

約数ペア:

[(1, 1383996901100), (2, 691998450550), (4, 345999225275), (5, 276799380220), (10, 138399690110), (11, 125817900100), (20, 69199845055), (22, 62908950050), (25, 55359876044), (44, 31454475025), (50, 27679938022), (55, 25163580020), (71, 19492914100), (100, 13839969011), (110, 12581790010), (142, 9746457050), (220, 6290895005), (275, 5032716004), (284, 4873228525), (355, 3898582820), (550, 2516358002), (710, 1949291410), (781, 1772083100), (1100, 1258179001), (1420, 974645705), (1562, 886041550), (1775, 779716564), (3124, 443020775), (3550, 389858282), (3905, 354416620), (7100, 194929141), (7810, 177208310), (15620, 88604155), (19525, 70883324), (39050, 35441662), (78100, 17720831)]