83937980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1003

約数の個数: 72

約数和(自身を含む): 207397008

約数和(自身を除く): 123459028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 97, 98, 140, 194, 196, 245, 388, 485, 490, 679, 883, 970, 980, 1358, 1766, 1940, 2716, 3395, 3532, 4415, 4753, 6181, 6790, 8830, 9506, 12362, 13580, 17660, 19012, 23765, 24724, 30905, 43267, 47530, 61810, 85651, 86534, 95060, 123620, 171302, 173068, 216335, 342604, 428255, 432670, 599557, 856510, 865340, 1199114, 1713020, 2398228, 2997785, 4196899, 5995570, 8393798, 11991140, 16787596, 20984495, 41968990, 83937980]

約数ペア:

[(1, 83937980), (2, 41968990), (4, 20984495), (5, 16787596), (7, 11991140), (10, 8393798), (14, 5995570), (20, 4196899), (28, 2997785), (35, 2398228), (49, 1713020), (70, 1199114), (97, 865340), (98, 856510), (140, 599557), (194, 432670), (196, 428255), (245, 342604), (388, 216335), (485, 173068), (490, 171302), (679, 123620), (883, 95060), (970, 86534), (980, 85651), (1358, 61810), (1766, 47530), (1940, 43267), (2716, 30905), (3395, 24724), (3532, 23765), (4415, 19012), (4753, 17660), (6181, 13580), (6790, 12362), (8830, 9506)]