209853420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8271

約数の個数: 96

約数和(自身を含む): 682622976

約数和(自身を除く): 472769556

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3660, 4270, 5124, 6405, 8191, 8540, 12810, 16382, 24573, 25620, 32764, 40955, 49146, 57337, 81910, 98292, 114674, 122865, 163820, 172011, 229348, 245730, 286685, 344022, 491460, 499651, 573370, 688044, 860055, 999302, 1146740, 1498953, 1720110, 1998604, 2498255, 2997906, 3440220, 3497557, 4996510, 5995812, 6995114, 7494765, 9993020, 10492671, 13990228, 14989530, 17487785, 20985342, 29979060, 34975570, 41970684, 52463355, 69951140, 104926710, 209853420]

約数ペア:

[(1, 209853420), (2, 104926710), (3, 69951140), (4, 52463355), (5, 41970684), (6, 34975570), (7, 29979060), (10, 20985342), (12, 17487785), (14, 14989530), (15, 13990228), (20, 10492671), (21, 9993020), (28, 7494765), (30, 6995114), (35, 5995812), (42, 4996510), (60, 3497557), (61, 3440220), (70, 2997906), (84, 2498255), (105, 1998604), (122, 1720110), (140, 1498953), (183, 1146740), (210, 999302), (244, 860055), (305, 688044), (366, 573370), (420, 499651), (427, 491460), (610, 344022), (732, 286685), (854, 245730), (915, 229348), (1220, 172011), (1281, 163820), (1708, 122865), (1830, 114674), (2135, 98292), (2562, 81910), (3660, 57337), (4270, 49146), (5124, 40955), (6405, 32764), (8191, 25620), (8540, 24573), (12810, 16382)]