90589000

素因数分解:

$2^3\times 5^3\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 213698160

約数和(自身を除く): 123109160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 157, 200, 250, 314, 500, 577, 628, 785, 1000, 1154, 1256, 1570, 2308, 2885, 3140, 3925, 4616, 5770, 6280, 7850, 11540, 14425, 15700, 19625, 23080, 28850, 31400, 39250, 57700, 72125, 78500, 90589, 115400, 144250, 157000, 181178, 288500, 362356, 452945, 577000, 724712, 905890, 1811780, 2264725, 3623560, 4529450, 9058900, 11323625, 18117800, 22647250, 45294500, 90589000]

約数ペア:

[(1, 90589000), (2, 45294500), (4, 22647250), (5, 18117800), (8, 11323625), (10, 9058900), (20, 4529450), (25, 3623560), (40, 2264725), (50, 1811780), (100, 905890), (125, 724712), (157, 577000), (200, 452945), (250, 362356), (314, 288500), (500, 181178), (577, 157000), (628, 144250), (785, 115400), (1000, 90589), (1154, 78500), (1256, 72125), (1570, 57700), (2308, 39250), (2885, 31400), (3140, 28850), (3925, 23080), (4616, 19625), (5770, 15700), (6280, 14425), (7850, 11540)]