199099760

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{16703}}^1$

素因数の和:16865

約数の個数: 40

約数和(自身を含む): 466041600

約数和(自身を除く): 266941840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 16703, 33406, 66812, 83515, 133624, 167030, 267248, 334060, 668120, 1336240, 2488747, 4977494, 9954988, 12443735, 19909976, 24887470, 39819952, 49774940, 99549880, 199099760]

約数ペア:

[(1, 199099760), (2, 99549880), (4, 49774940), (5, 39819952), (8, 24887470), (10, 19909976), (16, 12443735), (20, 9954988), (40, 4977494), (80, 2488747), (149, 1336240), (298, 668120), (596, 334060), (745, 267248), (1192, 167030), (1490, 133624), (2384, 83515), (2980, 66812), (5960, 33406), (11920, 16703)]