388635804

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2503}}^1$

素因数の和:2759

約数の個数: 72

約数和(自身を含む): 1039059840

約数和(自身を除く): 650424036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 227, 228, 342, 454, 681, 684, 908, 1362, 2043, 2503, 2724, 4086, 4313, 5006, 7509, 8172, 8626, 10012, 12939, 15018, 17252, 22527, 25878, 30036, 38817, 45054, 47557, 51756, 77634, 90108, 95114, 142671, 155268, 190228, 285342, 428013, 568181, 570684, 856026, 1136362, 1704543, 1712052, 2272724, 3409086, 5113629, 6818172, 10227258, 10795439, 20454516, 21590878, 32386317, 43181756, 64772634, 97158951, 129545268, 194317902, 388635804]

約数ペア:

[(1, 388635804), (2, 194317902), (3, 129545268), (4, 97158951), (6, 64772634), (9, 43181756), (12, 32386317), (18, 21590878), (19, 20454516), (36, 10795439), (38, 10227258), (57, 6818172), (76, 5113629), (114, 3409086), (171, 2272724), (227, 1712052), (228, 1704543), (342, 1136362), (454, 856026), (681, 570684), (684, 568181), (908, 428013), (1362, 285342), (2043, 190228), (2503, 155268), (2724, 142671), (4086, 95114), (4313, 90108), (5006, 77634), (7509, 51756), (8172, 47557), (8626, 45054), (10012, 38817), (12939, 30036), (15018, 25878), (17252, 22527)]