28738562510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1\times {\mathrm{17107}}^1$

素因数の和:17457

約数の個数: 64

約数和(自身を含む): 59953001472

約数和(自身を除く): 31214438962

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 233, 466, 515, 721, 1030, 1165, 1442, 1631, 2330, 3262, 3605, 7210, 8155, 16310, 17107, 23999, 34214, 47998, 85535, 119749, 119995, 167993, 171070, 239498, 239990, 335986, 598745, 839965, 1197490, 1679930, 1762021, 3524042, 3985931, 7971862, 8810105, 12334147, 17620210, 19929655, 24668294, 27901517, 39859310, 55803034, 61670735, 123341470, 139507585, 279015170, 410550893, 821101786, 2052754465, 2873856251, 4105508930, 5747712502, 14369281255, 28738562510]

約数ペア:

[(1, 28738562510), (2, 14369281255), (5, 5747712502), (7, 4105508930), (10, 2873856251), (14, 2052754465), (35, 821101786), (70, 410550893), (103, 279015170), (206, 139507585), (233, 123341470), (466, 61670735), (515, 55803034), (721, 39859310), (1030, 27901517), (1165, 24668294), (1442, 19929655), (1631, 17620210), (2330, 12334147), (3262, 8810105), (3605, 7971862), (7210, 3985931), (8155, 3524042), (16310, 1762021), (17107, 1679930), (23999, 1197490), (34214, 839965), (47998, 598745), (85535, 335986), (119749, 239990), (119995, 239498), (167993, 171070)]