7989380

素因数分解:

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

素因数の和:548

約数の個数: 48

約数和(自身を含む): 19353600

約数和(自身を除く): 11364220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 383, 596, 745, 766, 1043, 1490, 1532, 1915, 2086, 2681, 2980, 3830, 4172, 5215, 5362, 7660, 10430, 10724, 13405, 20860, 26810, 53620, 57067, 114134, 228268, 285335, 399469, 570670, 798938, 1141340, 1597876, 1997345, 3994690, 7989380]

約数ペア:

[(1, 7989380), (2, 3994690), (4, 1997345), (5, 1597876), (7, 1141340), (10, 798938), (14, 570670), (20, 399469), (28, 285335), (35, 228268), (70, 114134), (140, 57067), (149, 53620), (298, 26810), (383, 20860), (596, 13405), (745, 10724), (766, 10430), (1043, 7660), (1490, 5362), (1532, 5215), (1915, 4172), (2086, 3830), (2681, 2980)]