742573975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 1138739616

約数和(自身を除く): 396165641

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 121, 143, 253, 275, 299, 325, 575, 605, 715, 821, 1265, 1495, 1573, 2783, 3025, 3289, 3575, 4105, 6325, 7475, 7865, 9031, 10673, 13915, 16445, 18883, 20525, 36179, 39325, 45155, 53365, 69575, 82225, 94415, 99341, 117403, 180895, 207713, 225775, 245479, 266825, 472075, 496705, 587015, 904475, 1038565, 1227395, 1291433, 2284843, 2483525, 2700269, 2935075, 5192825, 6136975, 6457165, 11424215, 13501345, 29702959, 32285825, 57121075, 67506725, 148514795, 742573975]

約数ペア:

[(1, 742573975), (5, 148514795), (11, 67506725), (13, 57121075), (23, 32285825), (25, 29702959), (55, 13501345), (65, 11424215), (115, 6457165), (121, 6136975), (143, 5192825), (253, 2935075), (275, 2700269), (299, 2483525), (325, 2284843), (575, 1291433), (605, 1227395), (715, 1038565), (821, 904475), (1265, 587015), (1495, 496705), (1573, 472075), (2783, 266825), (3025, 245479), (3289, 225775), (3575, 207713), (4105, 180895), (6325, 117403), (7475, 99341), (7865, 94415), (9031, 82225), (10673, 69575), (13915, 53365), (16445, 45155), (18883, 39325), (20525, 36179)]