201943985080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1\times {\mathrm{997}}^1$

素因数の和:2129

約数の個数: 128

約数和(自身を含む): 468032618880

約数和(自身を除く): 266088633800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 73, 142, 146, 284, 292, 355, 365, 568, 584, 710, 730, 977, 997, 1420, 1460, 1954, 1994, 2840, 2920, 3908, 3988, 4885, 4985, 5183, 7816, 7976, 9770, 9970, 10366, 19540, 19940, 20732, 25915, 39080, 39880, 41464, 51830, 69367, 70787, 71321, 72781, 103660, 138734, 141574, 142642, 145562, 207320, 277468, 283148, 285284, 291124, 346835, 353935, 356605, 363905, 554936, 566296, 570568, 582248, 693670, 707870, 713210, 727810, 974069, 1387340, 1415740, 1426420, 1455620, 1948138, 2774680, 2831480, 2852840, 2911240, 3896276, 4870345, 5063791, 5167451, 7792552, 9740690, 10127582, 10334902, 19481380, 20255164, 20669804, 25318955, 25837255, 38962760, 40510328, 41339608, 50637910, 51674510, 69158899, 71107037, 101275820, 103349020, 138317798, 142214074, 202551640, 206698040, 276635596, 284428148, 345794495, 355535185, 553271192, 568856296, 691588990, 711070370, 1383177980, 1422140740, 2766355960, 2844281480, 5048599627, 10097199254, 20194398508, 25242998135, 40388797016, 50485996270, 100971992540, 201943985080]

約数ペア:

[(1, 201943985080), (2, 100971992540), (4, 50485996270), (5, 40388797016), (8, 25242998135), (10, 20194398508), (20, 10097199254), (40, 5048599627), (71, 2844281480), (73, 2766355960), (142, 1422140740), (146, 1383177980), (284, 711070370), (292, 691588990), (355, 568856296), (365, 553271192), (568, 355535185), (584, 345794495), (710, 284428148), (730, 276635596), (977, 206698040), (997, 202551640), (1420, 142214074), (1460, 138317798), (1954, 103349020), (1994, 101275820), (2840, 71107037), (2920, 69158899), (3908, 51674510), (3988, 50637910), (4885, 41339608), (4985, 40510328), (5183, 38962760), (7816, 25837255), (7976, 25318955), (9770, 20669804), (9970, 20255164), (10366, 19481380), (19540, 10334902), (19940, 10127582), (20732, 9740690), (25915, 7792552), (39080, 5167451), (39880, 5063791), (41464, 4870345), (51830, 3896276), (69367, 2911240), (70787, 2852840), (71321, 2831480), (72781, 2774680), (103660, 1948138), (138734, 1455620), (141574, 1426420), (142642, 1415740), (145562, 1387340), (207320, 974069), (277468, 727810), (283148, 713210), (285284, 707870), (291124, 693670), (346835, 582248), (353935, 570568), (356605, 566296), (363905, 554936)]