3270820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 7999488

約数和(自身を除く): 4728668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 383, 427, 610, 766, 854, 1220, 1532, 1708, 1915, 2135, 2681, 3830, 4270, 5362, 7660, 8540, 10724, 13405, 23363, 26810, 46726, 53620, 93452, 116815, 163541, 233630, 327082, 467260, 654164, 817705, 1635410, 3270820]

約数ペア:

[(1, 3270820), (2, 1635410), (4, 817705), (5, 654164), (7, 467260), (10, 327082), (14, 233630), (20, 163541), (28, 116815), (35, 93452), (61, 53620), (70, 46726), (122, 26810), (140, 23363), (244, 13405), (305, 10724), (383, 8540), (427, 7660), (610, 5362), (766, 4270), (854, 3830), (1220, 2681), (1532, 2135), (1708, 1915)]