39946900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 99993600

約数和(自身を除く): 60046700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 149, 175, 298, 350, 383, 596, 700, 745, 766, 1043, 1490, 1532, 1915, 2086, 2681, 2980, 3725, 3830, 4172, 5215, 5362, 7450, 7660, 9575, 10430, 10724, 13405, 14900, 19150, 20860, 26075, 26810, 38300, 52150, 53620, 57067, 67025, 104300, 114134, 134050, 228268, 268100, 285335, 399469, 570670, 798938, 1141340, 1426675, 1597876, 1997345, 2853350, 3994690, 5706700, 7989380, 9986725, 19973450, 39946900]

約数ペア:

[(1, 39946900), (2, 19973450), (4, 9986725), (5, 7989380), (7, 5706700), (10, 3994690), (14, 2853350), (20, 1997345), (25, 1597876), (28, 1426675), (35, 1141340), (50, 798938), (70, 570670), (100, 399469), (140, 285335), (149, 268100), (175, 228268), (298, 134050), (350, 114134), (383, 104300), (596, 67025), (700, 57067), (745, 53620), (766, 52150), (1043, 38300), (1490, 26810), (1532, 26075), (1915, 20860), (2086, 19150), (2681, 14900), (2980, 13405), (3725, 10724), (3830, 10430), (4172, 9575), (5215, 7660), (5362, 7450)]