228519880

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{11731}}^1$

素因数の和:12229

約数の個数: 32

約数和(自身を含む): 515269440

約数和(自身を除く): 286749560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 11731, 19480, 23462, 46924, 58655, 93848, 117310, 234620, 469240, 5712997, 11425994, 22851988, 28564985, 45703976, 57129970, 114259940, 228519880]

約数ペア:

[(1, 228519880), (2, 114259940), (4, 57129970), (5, 45703976), (8, 28564985), (10, 22851988), (20, 11425994), (40, 5712997), (487, 469240), (974, 234620), (1948, 117310), (2435, 93848), (3896, 58655), (4870, 46924), (9740, 23462), (11731, 19480)]