201431440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1613}}^1$

素因数の和:1856

約数の個数: 80

約数和(自身を含む): 537965568

約数和(自身を除く): 336534128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 446, 560, 892, 1115, 1561, 1613, 1784, 2230, 3122, 3226, 3568, 4460, 6244, 6452, 7805, 8065, 8920, 11291, 12488, 12904, 15610, 16130, 17840, 22582, 24976, 25808, 31220, 32260, 45164, 56455, 62440, 64520, 90328, 112910, 124880, 129040, 180656, 225820, 359699, 451640, 719398, 903280, 1438796, 1798495, 2517893, 2877592, 3596990, 5035786, 5755184, 7193980, 10071572, 12589465, 14387960, 20143144, 25178930, 28775920, 40286288, 50357860, 100715720, 201431440]

約数ペア:

[(1, 201431440), (2, 100715720), (4, 50357860), (5, 40286288), (7, 28775920), (8, 25178930), (10, 20143144), (14, 14387960), (16, 12589465), (20, 10071572), (28, 7193980), (35, 5755184), (40, 5035786), (56, 3596990), (70, 2877592), (80, 2517893), (112, 1798495), (140, 1438796), (223, 903280), (280, 719398), (446, 451640), (560, 359699), (892, 225820), (1115, 180656), (1561, 129040), (1613, 124880), (1784, 112910), (2230, 90328), (3122, 64520), (3226, 62440), (3568, 56455), (4460, 45164), (6244, 32260), (6452, 31220), (7805, 25808), (8065, 24976), (8920, 22582), (11291, 17840), (12488, 16130), (12904, 15610)]