204030872

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 419126400

約数和(自身を除く): 215095528

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 139, 172, 251, 278, 344, 502, 556, 731, 1004, 1112, 1462, 2008, 2363, 2924, 4267, 4726, 5848, 5977, 8534, 9452, 10793, 11954, 17068, 18904, 21586, 23908, 34136, 34889, 43172, 47816, 69778, 86344, 101609, 139556, 183481, 203218, 279112, 366962, 406436, 593113, 733924, 812872, 1186226, 1467848, 1500227, 2372452, 3000454, 4744904, 6000908, 12001816, 25503859, 51007718, 102015436, 204030872]

約数ペア:

[(1, 204030872), (2, 102015436), (4, 51007718), (8, 25503859), (17, 12001816), (34, 6000908), (43, 4744904), (68, 3000454), (86, 2372452), (136, 1500227), (139, 1467848), (172, 1186226), (251, 812872), (278, 733924), (344, 593113), (502, 406436), (556, 366962), (731, 279112), (1004, 203218), (1112, 183481), (1462, 139556), (2008, 101609), (2363, 86344), (2924, 69778), (4267, 47816), (4726, 43172), (5848, 34889), (5977, 34136), (8534, 23908), (9452, 21586), (10793, 18904), (11954, 17068)]