39900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1$

素因数の和:43

約数の個数: 72

約数和(自身を含む): 138880

約数和(自身を除く): 98980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 38, 42, 50, 57, 60, 70, 75, 76, 84, 95, 100, 105, 114, 133, 140, 150, 175, 190, 210, 228, 266, 285, 300, 350, 380, 399, 420, 475, 525, 532, 570, 665, 700, 798, 950, 1050, 1140, 1330, 1425, 1596, 1900, 1995, 2100, 2660, 2850, 3325, 3990, 5700, 6650, 7980, 9975, 13300, 19950, 39900]

約数ペア:

[(1, 39900), (2, 19950), (3, 13300), (4, 9975), (5, 7980), (6, 6650), (7, 5700), (10, 3990), (12, 3325), (14, 2850), (15, 2660), (19, 2100), (20, 1995), (21, 1900), (25, 1596), (28, 1425), (30, 1330), (35, 1140), (38, 1050), (42, 950), (50, 798), (57, 700), (60, 665), (70, 570), (75, 532), (76, 525), (84, 475), (95, 420), (100, 399), (105, 380), (114, 350), (133, 300), (140, 285), (150, 266), (175, 228), (190, 210)]