189208880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{337873}}^1$

素因数の和:337893

約数の個数: 40

約数和(自身を含む): 502756512

約数和(自身を除く): 313547632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 337873, 675746, 1351492, 1689365, 2365111, 2702984, 3378730, 4730222, 5405968, 6757460, 9460444, 11825555, 13514920, 18920888, 23651110, 27029840, 37841776, 47302220, 94604440, 189208880]

約数ペア:

[(1, 189208880), (2, 94604440), (4, 47302220), (5, 37841776), (7, 27029840), (8, 23651110), (10, 18920888), (14, 13514920), (16, 11825555), (20, 9460444), (28, 6757460), (35, 5405968), (40, 4730222), (56, 3378730), (70, 2702984), (80, 2365111), (112, 1689365), (140, 1351492), (280, 675746), (560, 337873)]