2009970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 5458752

約数和(自身を除く): 3448782

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 971, 1035, 1942, 2070, 2913, 4855, 5826, 8739, 9710, 14565, 17478, 22333, 29130, 43695, 44666, 66999, 87390, 111665, 133998, 200997, 223330, 334995, 401994, 669990, 1004985, 2009970]

約数ペア:

[(1, 2009970), (2, 1004985), (3, 669990), (5, 401994), (6, 334995), (9, 223330), (10, 200997), (15, 133998), (18, 111665), (23, 87390), (30, 66999), (45, 44666), (46, 43695), (69, 29130), (90, 22333), (115, 17478), (138, 14565), (207, 9710), (230, 8739), (345, 5826), (414, 4855), (690, 2913), (971, 2070), (1035, 1942)]