77882420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 96

約数和(自身を含む): 206309376

約数和(自身を除く): 128426956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 103, 110, 140, 154, 206, 220, 308, 385, 412, 491, 515, 721, 770, 982, 1030, 1133, 1442, 1540, 1964, 2060, 2266, 2455, 2884, 3437, 3605, 4532, 4910, 5401, 5665, 6874, 7210, 7931, 9820, 10802, 11330, 13748, 14420, 15862, 17185, 21604, 22660, 27005, 31724, 34370, 37807, 39655, 50573, 54010, 68740, 75614, 79310, 101146, 108020, 151228, 158620, 189035, 202292, 252865, 354011, 378070, 505730, 556303, 708022, 756140, 1011460, 1112606, 1416044, 1770055, 2225212, 2781515, 3540110, 3894121, 5563030, 7080220, 7788242, 11126060, 15576484, 19470605, 38941210, 77882420]

約数ペア:

[(1, 77882420), (2, 38941210), (4, 19470605), (5, 15576484), (7, 11126060), (10, 7788242), (11, 7080220), (14, 5563030), (20, 3894121), (22, 3540110), (28, 2781515), (35, 2225212), (44, 1770055), (55, 1416044), (70, 1112606), (77, 1011460), (103, 756140), (110, 708022), (140, 556303), (154, 505730), (206, 378070), (220, 354011), (308, 252865), (385, 202292), (412, 189035), (491, 158620), (515, 151228), (721, 108020), (770, 101146), (982, 79310), (1030, 75614), (1133, 68740), (1442, 54010), (1540, 50573), (1964, 39655), (2060, 37807), (2266, 34370), (2455, 31724), (2884, 27005), (3437, 22660), (3605, 21604), (4532, 17185), (4910, 15862), (5401, 14420), (5665, 13748), (6874, 11330), (7210, 10802), (7931, 9820)]