289776850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 597867984

約数和(自身を除く): 308091134

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 211, 227, 242, 275, 422, 454, 550, 605, 1055, 1135, 1210, 2110, 2270, 2321, 2497, 3025, 4642, 4994, 5275, 5675, 6050, 10550, 11350, 11605, 12485, 23210, 24970, 25531, 27467, 47897, 51062, 54934, 58025, 62425, 95794, 116050, 124850, 127655, 137335, 239485, 255310, 274670, 478970, 526867, 638275, 686675, 1053734, 1197425, 1276550, 1373350, 2394850, 2634335, 5268670, 5795537, 11591074, 13171675, 26343350, 28977685, 57955370, 144888425, 289776850]

約数ペア:

[(1, 289776850), (2, 144888425), (5, 57955370), (10, 28977685), (11, 26343350), (22, 13171675), (25, 11591074), (50, 5795537), (55, 5268670), (110, 2634335), (121, 2394850), (211, 1373350), (227, 1276550), (242, 1197425), (275, 1053734), (422, 686675), (454, 638275), (550, 526867), (605, 478970), (1055, 274670), (1135, 255310), (1210, 239485), (2110, 137335), (2270, 127655), (2321, 124850), (2497, 116050), (3025, 95794), (4642, 62425), (4994, 58025), (5275, 54934), (5675, 51062), (6050, 47897), (10550, 27467), (11350, 25531), (11605, 24970), (12485, 23210)]