199448912680

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1973}}^1\times {\mathrm{16097}}^1$

素因数の和:18238

約数の個数: 64

約数和(自身を含む): 451875367440

約数和(自身を除く): 252426454760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 1973, 3140, 3946, 6280, 7892, 9865, 15784, 16097, 19730, 32194, 39460, 64388, 78920, 80485, 128776, 160970, 309761, 321940, 619522, 643880, 1239044, 1548805, 2478088, 2527229, 3097610, 5054458, 6195220, 10108916, 12390440, 12636145, 20217832, 25272290, 31759381, 50544580, 63518762, 101089160, 127037524, 158796905, 254075048, 317593810, 635187620, 1270375240, 4986222817, 9972445634, 19944891268, 24931114085, 39889782536, 49862228170, 99724456340, 199448912680]

約数ペア:

[(1, 199448912680), (2, 99724456340), (4, 49862228170), (5, 39889782536), (8, 24931114085), (10, 19944891268), (20, 9972445634), (40, 4986222817), (157, 1270375240), (314, 635187620), (628, 317593810), (785, 254075048), (1256, 158796905), (1570, 127037524), (1973, 101089160), (3140, 63518762), (3946, 50544580), (6280, 31759381), (7892, 25272290), (9865, 20217832), (15784, 12636145), (16097, 12390440), (19730, 10108916), (32194, 6195220), (39460, 5054458), (64388, 3097610), (78920, 2527229), (80485, 2478088), (128776, 1548805), (160970, 1239044), (309761, 643880), (321940, 619522)]