204070100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5413}}^1$

素因数の和:5469

約数の個数: 72

約数和(自身を含む): 493431960

約数和(自身を除く): 289361860

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 5413, 7540, 9425, 10826, 18850, 21652, 27065, 37700, 54130, 70369, 108260, 135325, 140738, 156977, 270650, 281476, 313954, 351845, 541300, 627908, 703690, 784885, 1407380, 1569770, 1759225, 2040701, 3139540, 3518450, 3924425, 4081402, 7036900, 7848850, 8162804, 10203505, 15697700, 20407010, 40814020, 51017525, 102035050, 204070100]

約数ペア:

[(1, 204070100), (2, 102035050), (4, 51017525), (5, 40814020), (10, 20407010), (13, 15697700), (20, 10203505), (25, 8162804), (26, 7848850), (29, 7036900), (50, 4081402), (52, 3924425), (58, 3518450), (65, 3139540), (100, 2040701), (116, 1759225), (130, 1569770), (145, 1407380), (260, 784885), (290, 703690), (325, 627908), (377, 541300), (580, 351845), (650, 313954), (725, 281476), (754, 270650), (1300, 156977), (1450, 140738), (1508, 135325), (1885, 108260), (2900, 70369), (3770, 54130), (5413, 37700), (7540, 27065), (9425, 21652), (10826, 18850)]