201337780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6449}}^1$

素因数の和:6688

約数の個数: 48

約数和(自身を含む): 485452800

約数和(自身を除く): 284115020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 3122, 4460, 6244, 6449, 7805, 12898, 15610, 25796, 31220, 32245, 45143, 64490, 90286, 128980, 180572, 225715, 451430, 902860, 1438127, 2876254, 5752508, 7190635, 10066889, 14381270, 20133778, 28762540, 40267556, 50334445, 100668890, 201337780]

約数ペア:

[(1, 201337780), (2, 100668890), (4, 50334445), (5, 40267556), (7, 28762540), (10, 20133778), (14, 14381270), (20, 10066889), (28, 7190635), (35, 5752508), (70, 2876254), (140, 1438127), (223, 902860), (446, 451430), (892, 225715), (1115, 180572), (1561, 128980), (2230, 90286), (3122, 64490), (4460, 45143), (6244, 32245), (6449, 31220), (7805, 25796), (12898, 15610)]