199964844

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 515970000

約数和(自身を除く): 316005156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 139, 178, 267, 278, 356, 417, 449, 534, 556, 801, 834, 898, 1068, 1251, 1347, 1602, 1668, 1796, 2502, 2694, 3204, 4041, 5004, 5388, 8082, 12371, 16164, 24742, 37113, 39961, 49484, 62411, 74226, 79922, 111339, 119883, 124822, 148452, 159844, 187233, 222678, 239766, 249644, 359649, 374466, 445356, 479532, 561699, 719298, 748932, 1123398, 1438596, 2246796, 5554579, 11109158, 16663737, 22218316, 33327474, 49991211, 66654948, 99982422, 199964844]

約数ペア:

[(1, 199964844), (2, 99982422), (3, 66654948), (4, 49991211), (6, 33327474), (9, 22218316), (12, 16663737), (18, 11109158), (36, 5554579), (89, 2246796), (139, 1438596), (178, 1123398), (267, 748932), (278, 719298), (356, 561699), (417, 479532), (449, 445356), (534, 374466), (556, 359649), (801, 249644), (834, 239766), (898, 222678), (1068, 187233), (1251, 159844), (1347, 148452), (1602, 124822), (1668, 119883), (1796, 111339), (2502, 79922), (2694, 74226), (3204, 62411), (4041, 49484), (5004, 39961), (5388, 37113), (8082, 24742), (12371, 16164)]