208030875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 376696320

約数和(自身を除く): 168665445

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 139, 195, 307, 325, 375, 417, 695, 921, 975, 1535, 1625, 1807, 2085, 3475, 3991, 4605, 4875, 5421, 7675, 9035, 10425, 11973, 17375, 19955, 23025, 27105, 38375, 42673, 45175, 52125, 59865, 99775, 115125, 128019, 135525, 213365, 225875, 299325, 498875, 554749, 640095, 677625, 1066825, 1496625, 1664247, 2773745, 3200475, 5334125, 8321235, 13868725, 16002375, 41606175, 69343625, 208030875]

約数ペア:

[(1, 208030875), (3, 69343625), (5, 41606175), (13, 16002375), (15, 13868725), (25, 8321235), (39, 5334125), (65, 3200475), (75, 2773745), (125, 1664247), (139, 1496625), (195, 1066825), (307, 677625), (325, 640095), (375, 554749), (417, 498875), (695, 299325), (921, 225875), (975, 213365), (1535, 135525), (1625, 128019), (1807, 115125), (2085, 99775), (3475, 59865), (3991, 52125), (4605, 45175), (4875, 42673), (5421, 38375), (7675, 27105), (9035, 23025), (10425, 19955), (11973, 17375)]