207974403020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{13003}}^1$

素因数の和:13335

約数の個数: 96

約数和(自身を含む): 453013585920

約数和(自身を除く): 245039182900

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 191, 212, 265, 316, 382, 395, 530, 764, 790, 955, 1060, 1580, 1910, 3820, 4187, 8374, 10123, 13003, 15089, 16748, 20246, 20935, 26006, 30178, 40492, 41870, 50615, 52012, 60356, 65015, 75445, 83740, 101230, 130030, 150890, 202460, 260060, 301780, 689159, 799717, 1027237, 1378318, 1599434, 2054474, 2483573, 2756636, 3198868, 3445795, 3998585, 4108948, 4967146, 5136185, 6891590, 7997170, 9934292, 10272370, 12417865, 13783180, 15994340, 20544740, 24835730, 49671460, 54443561, 108887122, 131629369, 196202267, 217774244, 263258738, 272217805, 392404534, 526517476, 544435610, 658146845, 784809068, 981011335, 1088871220, 1316293690, 1962022670, 2632587380, 3924045340, 10398720151, 20797440302, 41594880604, 51993600755, 103987201510, 207974403020]

約数ペア:

[(1, 207974403020), (2, 103987201510), (4, 51993600755), (5, 41594880604), (10, 20797440302), (20, 10398720151), (53, 3924045340), (79, 2632587380), (106, 1962022670), (158, 1316293690), (191, 1088871220), (212, 981011335), (265, 784809068), (316, 658146845), (382, 544435610), (395, 526517476), (530, 392404534), (764, 272217805), (790, 263258738), (955, 217774244), (1060, 196202267), (1580, 131629369), (1910, 108887122), (3820, 54443561), (4187, 49671460), (8374, 24835730), (10123, 20544740), (13003, 15994340), (15089, 13783180), (16748, 12417865), (20246, 10272370), (20935, 9934292), (26006, 7997170), (30178, 6891590), (40492, 5136185), (41870, 4967146), (50615, 4108948), (52012, 3998585), (60356, 3445795), (65015, 3198868), (75445, 2756636), (83740, 2483573), (101230, 2054474), (130030, 1599434), (150890, 1378318), (202460, 1027237), (260060, 799717), (301780, 689159)]