9914500

素因数分解:

$2^2\times 5^3\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 12100220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 251, 316, 395, 500, 502, 790, 1004, 1255, 1580, 1975, 2510, 3950, 5020, 6275, 7900, 9875, 12550, 19750, 19829, 25100, 31375, 39500, 39658, 62750, 79316, 99145, 125500, 198290, 396580, 495725, 991450, 1982900, 2478625, 4957250, 9914500]

約数ペア:

[(1, 9914500), (2, 4957250), (4, 2478625), (5, 1982900), (10, 991450), (20, 495725), (25, 396580), (50, 198290), (79, 125500), (100, 99145), (125, 79316), (158, 62750), (250, 39658), (251, 39500), (316, 31375), (395, 25100), (500, 19829), (502, 19750), (790, 12550), (1004, 9875), (1255, 7900), (1580, 6275), (1975, 5020), (2510, 3950)]