8920738820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1044583}}^1$

素因数の和:1044660

約数の個数: 48

約数和(自身を含む): 21760773888

約数和(自身を除く): 12840035068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 1044583, 2089166, 4178332, 5222915, 7312081, 10445830, 14624162, 20891660, 29248324, 36560405, 63719563, 73120810, 127439126, 146241620, 254878252, 318597815, 446036941, 637195630, 892073882, 1274391260, 1784147764, 2230184705, 4460369410, 8920738820]

約数ペア:

[(1, 8920738820), (2, 4460369410), (4, 2230184705), (5, 1784147764), (7, 1274391260), (10, 892073882), (14, 637195630), (20, 446036941), (28, 318597815), (35, 254878252), (61, 146241620), (70, 127439126), (122, 73120810), (140, 63719563), (244, 36560405), (305, 29248324), (427, 20891660), (610, 14624162), (854, 10445830), (1220, 7312081), (1708, 5222915), (2135, 4178332), (4270, 2089166), (8540, 1044583)]