388130175

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 731203200

約数和(自身を除く): 343073025

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 179, 207, 225, 345, 419, 537, 575, 895, 1035, 1257, 1611, 1725, 2095, 2685, 3771, 4117, 4475, 5175, 6285, 8055, 9637, 10475, 12351, 13425, 18855, 20585, 28911, 31425, 37053, 40275, 48185, 61755, 75001, 86733, 94275, 102925, 144555, 185265, 225003, 240925, 308775, 375005, 433665, 675009, 722775, 926325, 1125015, 1725023, 1875025, 2168325, 3375045, 5175069, 5625075, 8625115, 15525207, 16875225, 25875345, 43125575, 77626035, 129376725, 388130175]

約数ペア:

[(1, 388130175), (3, 129376725), (5, 77626035), (9, 43125575), (15, 25875345), (23, 16875225), (25, 15525207), (45, 8625115), (69, 5625075), (75, 5175069), (115, 3375045), (179, 2168325), (207, 1875025), (225, 1725023), (345, 1125015), (419, 926325), (537, 722775), (575, 675009), (895, 433665), (1035, 375005), (1257, 308775), (1611, 240925), (1725, 225003), (2095, 185265), (2685, 144555), (3771, 102925), (4117, 94275), (4475, 86733), (5175, 75001), (6285, 61755), (8055, 48185), (9637, 40275), (10475, 37053), (12351, 31425), (13425, 28911), (18855, 20585)]