7828520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 20459520

約数和(自身を除く): 12631000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 383, 511, 584, 730, 766, 1022, 1460, 1532, 1915, 2044, 2555, 2681, 2920, 3064, 3830, 4088, 5110, 5362, 7660, 10220, 10724, 13405, 15320, 20440, 21448, 26810, 27959, 53620, 55918, 107240, 111836, 139795, 195713, 223672, 279590, 391426, 559180, 782852, 978565, 1118360, 1565704, 1957130, 3914260, 7828520]

約数ペア:

[(1, 7828520), (2, 3914260), (4, 1957130), (5, 1565704), (7, 1118360), (8, 978565), (10, 782852), (14, 559180), (20, 391426), (28, 279590), (35, 223672), (40, 195713), (56, 139795), (70, 111836), (73, 107240), (140, 55918), (146, 53620), (280, 27959), (292, 26810), (365, 21448), (383, 20440), (511, 15320), (584, 13405), (730, 10724), (766, 10220), (1022, 7660), (1460, 5362), (1532, 5110), (1915, 4088), (2044, 3830), (2555, 3064), (2681, 2920)]