249494840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 666731520

約数和(自身を除く): 417236680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 103, 140, 164, 205, 206, 211, 280, 287, 328, 410, 412, 422, 515, 574, 721, 820, 824, 844, 1030, 1055, 1148, 1435, 1442, 1477, 1640, 1688, 2060, 2110, 2296, 2870, 2884, 2954, 3605, 4120, 4220, 4223, 5740, 5768, 5908, 7210, 7385, 8440, 8446, 8651, 11480, 11816, 14420, 14770, 16892, 17302, 21115, 21733, 28840, 29540, 29561, 33784, 34604, 42230, 43255, 43466, 59080, 59122, 60557, 69208, 84460, 86510, 86932, 108665, 118244, 121114, 147805, 152131, 168920, 173020, 173864, 217330, 236488, 242228, 295610, 302785, 304262, 346040, 434660, 484456, 591220, 605570, 608524, 760655, 869320, 891053, 1182440, 1211140, 1217048, 1521310, 1782106, 2422280, 3042620, 3564212, 4455265, 6085240, 6237371, 7128424, 8910530, 12474742, 17821060, 24949484, 31186855, 35642120, 49898968, 62373710, 124747420, 249494840]

約数ペア:

[(1, 249494840), (2, 124747420), (4, 62373710), (5, 49898968), (7, 35642120), (8, 31186855), (10, 24949484), (14, 17821060), (20, 12474742), (28, 8910530), (35, 7128424), (40, 6237371), (41, 6085240), (56, 4455265), (70, 3564212), (82, 3042620), (103, 2422280), (140, 1782106), (164, 1521310), (205, 1217048), (206, 1211140), (211, 1182440), (280, 891053), (287, 869320), (328, 760655), (410, 608524), (412, 605570), (422, 591220), (515, 484456), (574, 434660), (721, 346040), (820, 304262), (824, 302785), (844, 295610), (1030, 242228), (1055, 236488), (1148, 217330), (1435, 173864), (1442, 173020), (1477, 168920), (1640, 152131), (1688, 147805), (2060, 121114), (2110, 118244), (2296, 108665), (2870, 86932), (2884, 86510), (2954, 84460), (3605, 69208), (4120, 60557), (4220, 59122), (4223, 59080), (5740, 43466), (5768, 43255), (5908, 42230), (7210, 34604), (7385, 33784), (8440, 29561), (8446, 29540), (8651, 28840), (11480, 21733), (11816, 21115), (14420, 17302), (14770, 16892)]