244697720

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{6173}}^1$

素因数の和:7175

約数の個数: 32

約数和(自身を含む): 551214720

約数和(自身を除く): 306517000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 6173, 7928, 9910, 12346, 19820, 24692, 30865, 39640, 49384, 61730, 123460, 246920, 6117443, 12234886, 24469772, 30587215, 48939544, 61174430, 122348860, 244697720]

約数ペア:

[(1, 244697720), (2, 122348860), (4, 61174430), (5, 48939544), (8, 30587215), (10, 24469772), (20, 12234886), (40, 6117443), (991, 246920), (1982, 123460), (3964, 61730), (4955, 49384), (6173, 39640), (7928, 30865), (9910, 24692), (12346, 19820)]