28729120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 78599808

約数和(自身を除く): 49870688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 113, 140, 160, 224, 226, 227, 280, 452, 454, 560, 565, 791, 904, 908, 1120, 1130, 1135, 1582, 1589, 1808, 1816, 2260, 2270, 3164, 3178, 3616, 3632, 3955, 4520, 4540, 6328, 6356, 7264, 7910, 7945, 9040, 9080, 12656, 12712, 15820, 15890, 18080, 18160, 25312, 25424, 25651, 31640, 31780, 36320, 50848, 51302, 63280, 63560, 102604, 126560, 127120, 128255, 179557, 205208, 254240, 256510, 359114, 410416, 513020, 718228, 820832, 897785, 1026040, 1436456, 1795570, 2052080, 2872912, 3591140, 4104160, 5745824, 7182280, 14364560, 28729120]

約数ペア:

[(1, 28729120), (2, 14364560), (4, 7182280), (5, 5745824), (7, 4104160), (8, 3591140), (10, 2872912), (14, 2052080), (16, 1795570), (20, 1436456), (28, 1026040), (32, 897785), (35, 820832), (40, 718228), (56, 513020), (70, 410416), (80, 359114), (112, 256510), (113, 254240), (140, 205208), (160, 179557), (224, 128255), (226, 127120), (227, 126560), (280, 102604), (452, 63560), (454, 63280), (560, 51302), (565, 50848), (791, 36320), (904, 31780), (908, 31640), (1120, 25651), (1130, 25424), (1135, 25312), (1582, 18160), (1589, 18080), (1808, 15890), (1816, 15820), (2260, 12712), (2270, 12656), (3164, 9080), (3178, 9040), (3616, 7945), (3632, 7910), (3955, 7264), (4520, 6356), (4540, 6328)]