205328900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^2$

素因数の和:226

約数の個数: 108

約数和(自身を含む): 526716288

約数和(自身を除く): 321387388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 79, 94, 100, 140, 158, 175, 188, 235, 316, 329, 350, 395, 470, 553, 658, 700, 790, 940, 1106, 1175, 1316, 1580, 1645, 1975, 2212, 2350, 2765, 3290, 3713, 3950, 4700, 5530, 6241, 6580, 7426, 7900, 8225, 11060, 12482, 13825, 14852, 16450, 18565, 24964, 25991, 27650, 31205, 32900, 37130, 43687, 51982, 55300, 62410, 74260, 87374, 92825, 103964, 124820, 129955, 156025, 174748, 185650, 218435, 259910, 293327, 312050, 371300, 436870, 519820, 586654, 624100, 649775, 873740, 1092175, 1173308, 1299550, 1466635, 2053289, 2184350, 2599100, 2933270, 4106578, 4368700, 5866540, 7333175, 8213156, 10266445, 14666350, 20532890, 29332700, 41065780, 51332225, 102664450, 205328900]

約数ペア:

[(1, 205328900), (2, 102664450), (4, 51332225), (5, 41065780), (7, 29332700), (10, 20532890), (14, 14666350), (20, 10266445), (25, 8213156), (28, 7333175), (35, 5866540), (47, 4368700), (50, 4106578), (70, 2933270), (79, 2599100), (94, 2184350), (100, 2053289), (140, 1466635), (158, 1299550), (175, 1173308), (188, 1092175), (235, 873740), (316, 649775), (329, 624100), (350, 586654), (395, 519820), (470, 436870), (553, 371300), (658, 312050), (700, 293327), (790, 259910), (940, 218435), (1106, 185650), (1175, 174748), (1316, 156025), (1580, 129955), (1645, 124820), (1975, 103964), (2212, 92825), (2350, 87374), (2765, 74260), (3290, 62410), (3713, 55300), (3950, 51982), (4700, 43687), (5530, 37130), (6241, 32900), (6580, 31205), (7426, 27650), (7900, 25991), (8225, 24964), (11060, 18565), (12482, 16450), (13825, 14852)]