209797620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2521}}^1$

素因数の和:2625

約数の個数: 96

約数和(自身を含む): 627070080

約数和(自身を除く): 417272460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 73, 76, 95, 114, 146, 190, 219, 228, 285, 292, 365, 380, 438, 570, 730, 876, 1095, 1140, 1387, 1460, 2190, 2521, 2774, 4161, 4380, 5042, 5548, 6935, 7563, 8322, 10084, 12605, 13870, 15126, 16644, 20805, 25210, 27740, 30252, 37815, 41610, 47899, 50420, 75630, 83220, 95798, 143697, 151260, 184033, 191596, 239495, 287394, 368066, 478990, 552099, 574788, 718485, 736132, 920165, 957980, 1104198, 1436970, 1840330, 2208396, 2760495, 2873940, 3496627, 3680660, 5520990, 6993254, 10489881, 11041980, 13986508, 17483135, 20979762, 34966270, 41959524, 52449405, 69932540, 104898810, 209797620]

約数ペア:

[(1, 209797620), (2, 104898810), (3, 69932540), (4, 52449405), (5, 41959524), (6, 34966270), (10, 20979762), (12, 17483135), (15, 13986508), (19, 11041980), (20, 10489881), (30, 6993254), (38, 5520990), (57, 3680660), (60, 3496627), (73, 2873940), (76, 2760495), (95, 2208396), (114, 1840330), (146, 1436970), (190, 1104198), (219, 957980), (228, 920165), (285, 736132), (292, 718485), (365, 574788), (380, 552099), (438, 478990), (570, 368066), (730, 287394), (876, 239495), (1095, 191596), (1140, 184033), (1387, 151260), (1460, 143697), (2190, 95798), (2521, 83220), (2774, 75630), (4161, 50420), (4380, 47899), (5042, 41610), (5548, 37815), (6935, 30252), (7563, 27740), (8322, 25210), (10084, 20805), (12605, 16644), (13870, 15126)]