249750910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1101

約数の個数: 48

約数和(自身を含む): 483414480

約数和(自身を除く): 233663570

約数列:

[1, 2, 5, 10, 17, 34, 85, 89, 170, 178, 289, 445, 578, 890, 971, 1445, 1513, 1942, 2890, 3026, 4855, 7565, 9710, 15130, 16507, 25721, 33014, 51442, 82535, 86419, 128605, 165070, 172838, 257210, 280619, 432095, 561238, 864190, 1403095, 1469123, 2806190, 2938246, 7345615, 14691230, 24975091, 49950182, 124875455, 249750910]

約数ペア:

[(1, 249750910), (2, 124875455), (5, 49950182), (10, 24975091), (17, 14691230), (34, 7345615), (85, 2938246), (89, 2806190), (170, 1469123), (178, 1403095), (289, 864190), (445, 561238), (578, 432095), (890, 280619), (971, 257210), (1445, 172838), (1513, 165070), (1942, 128605), (2890, 86419), (3026, 82535), (4855, 51442), (7565, 33014), (9710, 25721), (15130, 16507)]