89477920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:243

約数の個数: 144

約数和(自身を含む): 250536888

約数和(自身を除く): 161058968

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 101, 112, 113, 140, 160, 196, 202, 224, 226, 245, 280, 392, 404, 452, 490, 505, 560, 565, 707, 784, 791, 808, 904, 980, 1010, 1120, 1130, 1414, 1568, 1582, 1616, 1808, 1960, 2020, 2260, 2828, 3164, 3232, 3535, 3616, 3920, 3955, 4040, 4520, 4949, 5537, 5656, 6328, 7070, 7840, 7910, 8080, 9040, 9898, 11074, 11312, 11413, 12656, 14140, 15820, 16160, 18080, 19796, 22148, 22624, 22826, 24745, 25312, 27685, 28280, 31640, 39592, 44296, 45652, 49490, 55370, 56560, 57065, 63280, 79184, 79891, 88592, 91304, 98980, 110740, 113120, 114130, 126560, 158368, 159782, 177184, 182608, 197960, 221480, 228260, 319564, 365216, 395920, 399455, 442960, 456520, 559237, 639128, 791840, 798910, 885920, 913040, 1118474, 1278256, 1597820, 1826080, 2236948, 2556512, 2796185, 3195640, 4473896, 5592370, 6391280, 8947792, 11184740, 12782560, 17895584, 22369480, 44738960, 89477920]

約数ペア:

[(1, 89477920), (2, 44738960), (4, 22369480), (5, 17895584), (7, 12782560), (8, 11184740), (10, 8947792), (14, 6391280), (16, 5592370), (20, 4473896), (28, 3195640), (32, 2796185), (35, 2556512), (40, 2236948), (49, 1826080), (56, 1597820), (70, 1278256), (80, 1118474), (98, 913040), (101, 885920), (112, 798910), (113, 791840), (140, 639128), (160, 559237), (196, 456520), (202, 442960), (224, 399455), (226, 395920), (245, 365216), (280, 319564), (392, 228260), (404, 221480), (452, 197960), (490, 182608), (505, 177184), (560, 159782), (565, 158368), (707, 126560), (784, 114130), (791, 113120), (808, 110740), (904, 98980), (980, 91304), (1010, 88592), (1120, 79891), (1130, 79184), (1414, 63280), (1568, 57065), (1582, 56560), (1616, 55370), (1808, 49490), (1960, 45652), (2020, 44296), (2260, 39592), (2828, 31640), (3164, 28280), (3232, 27685), (3535, 25312), (3616, 24745), (3920, 22826), (3955, 22624), (4040, 22148), (4520, 19796), (4949, 18080), (5537, 16160), (5656, 15820), (6328, 14140), (7070, 12656), (7840, 11413), (7910, 11312), (8080, 11074), (9040, 9898)]