205125064

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 417960000

約数和(自身を除く): 212834936

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 89, 118, 152, 178, 236, 257, 356, 472, 514, 712, 1028, 1121, 1691, 2056, 2242, 3382, 4484, 4883, 5251, 6764, 8968, 9766, 10502, 13528, 15163, 19532, 21004, 22873, 30326, 39064, 42008, 45746, 60652, 91492, 99769, 121304, 182984, 199538, 288097, 399076, 434587, 576194, 798152, 869174, 1152388, 1349507, 1738348, 2304776, 2699014, 3476696, 5398028, 10796056, 25640633, 51281266, 102562532, 205125064]

約数ペア:

[(1, 205125064), (2, 102562532), (4, 51281266), (8, 25640633), (19, 10796056), (38, 5398028), (59, 3476696), (76, 2699014), (89, 2304776), (118, 1738348), (152, 1349507), (178, 1152388), (236, 869174), (257, 798152), (356, 576194), (472, 434587), (514, 399076), (712, 288097), (1028, 199538), (1121, 182984), (1691, 121304), (2056, 99769), (2242, 91492), (3382, 60652), (4484, 45746), (4883, 42008), (5251, 39064), (6764, 30326), (8968, 22873), (9766, 21004), (10502, 19532), (13528, 15163)]