1997910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 5279040

約数和(自身を除く): 3281130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 281, 395, 474, 562, 711, 790, 843, 1185, 1405, 1422, 1686, 2370, 2529, 2810, 3555, 4215, 5058, 7110, 8430, 12645, 22199, 25290, 44398, 66597, 110995, 133194, 199791, 221990, 332985, 399582, 665970, 998955, 1997910]

約数ペア:

[(1, 1997910), (2, 998955), (3, 665970), (5, 399582), (6, 332985), (9, 221990), (10, 199791), (15, 133194), (18, 110995), (30, 66597), (45, 44398), (79, 25290), (90, 22199), (158, 12645), (237, 8430), (281, 7110), (395, 5058), (474, 4215), (562, 3555), (711, 2810), (790, 2529), (843, 2370), (1185, 1686), (1405, 1422)]