219399990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317971}}^1$

素因数の和:318004

約数の個数: 32

約数和(自身を含む): 549455616

約数和(自身を除く): 330055626

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 317971, 635942, 953913, 1589855, 1907826, 3179710, 4769565, 7313333, 9539130, 14626666, 21939999, 36566665, 43879998, 73133330, 109699995, 219399990]

約数ペア:

[(1, 219399990), (2, 109699995), (3, 73133330), (5, 43879998), (6, 36566665), (10, 21939999), (15, 14626666), (23, 9539130), (30, 7313333), (46, 4769565), (69, 3179710), (115, 1907826), (138, 1589855), (230, 953913), (345, 635942), (690, 317971)]