229655680

素因数分解:

$2^7\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1277}}^1$

素因数の和:1577

約数の個数: 64

約数和(自身を含む): 551405880

約数和(自身を除く): 321750200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 281, 320, 562, 640, 1124, 1277, 1405, 2248, 2554, 2810, 4496, 5108, 5620, 6385, 8992, 10216, 11240, 12770, 17984, 20432, 22480, 25540, 35968, 40864, 44960, 51080, 81728, 89920, 102160, 163456, 179840, 204320, 358837, 408640, 717674, 817280, 1435348, 1794185, 2870696, 3588370, 5741392, 7176740, 11482784, 14353480, 22965568, 28706960, 45931136, 57413920, 114827840, 229655680]

約数ペア:

[(1, 229655680), (2, 114827840), (4, 57413920), (5, 45931136), (8, 28706960), (10, 22965568), (16, 14353480), (20, 11482784), (32, 7176740), (40, 5741392), (64, 3588370), (80, 2870696), (128, 1794185), (160, 1435348), (281, 817280), (320, 717674), (562, 408640), (640, 358837), (1124, 204320), (1277, 179840), (1405, 163456), (2248, 102160), (2554, 89920), (2810, 81728), (4496, 51080), (5108, 44960), (5620, 40864), (6385, 35968), (8992, 25540), (10216, 22480), (11240, 20432), (12770, 17984)]