207908830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 412776000

約数和(自身を除く): 204867170

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 97, 145, 190, 194, 290, 389, 485, 551, 778, 970, 1102, 1843, 1945, 2755, 2813, 3686, 3890, 5510, 5626, 7391, 9215, 11281, 14065, 14782, 18430, 22562, 28130, 36955, 37733, 53447, 56405, 73910, 75466, 106894, 112810, 188665, 214339, 267235, 377330, 428678, 534470, 716927, 1071695, 1094257, 1433854, 2143390, 2188514, 3584635, 5471285, 7169270, 10942570, 20790883, 41581766, 103954415, 207908830]

約数ペア:

[(1, 207908830), (2, 103954415), (5, 41581766), (10, 20790883), (19, 10942570), (29, 7169270), (38, 5471285), (58, 3584635), (95, 2188514), (97, 2143390), (145, 1433854), (190, 1094257), (194, 1071695), (290, 716927), (389, 534470), (485, 428678), (551, 377330), (778, 267235), (970, 214339), (1102, 188665), (1843, 112810), (1945, 106894), (2755, 75466), (2813, 73910), (3686, 56405), (3890, 53447), (5510, 37733), (5626, 36955), (7391, 28130), (9215, 22562), (11281, 18430), (14065, 14782)]