9891500

素因数分解:

$2^2\times 5^3\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 48

約数和(自身を含む): 21979776

約数和(自身を除く): 12088276

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 125, 146, 250, 271, 292, 365, 500, 542, 730, 1084, 1355, 1460, 1825, 2710, 3650, 5420, 6775, 7300, 9125, 13550, 18250, 19783, 27100, 33875, 36500, 39566, 67750, 79132, 98915, 135500, 197830, 395660, 494575, 989150, 1978300, 2472875, 4945750, 9891500]

約数ペア:

[(1, 9891500), (2, 4945750), (4, 2472875), (5, 1978300), (10, 989150), (20, 494575), (25, 395660), (50, 197830), (73, 135500), (100, 98915), (125, 79132), (146, 67750), (250, 39566), (271, 36500), (292, 33875), (365, 27100), (500, 19783), (542, 18250), (730, 13550), (1084, 9125), (1355, 7300), (1460, 6775), (1825, 5420), (2710, 3650)]