254169320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 599063040

約数和(自身を除く): 344893720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 431, 460, 641, 862, 920, 1282, 1724, 2155, 2564, 3205, 3448, 4310, 5128, 6410, 8620, 9913, 12820, 14743, 17240, 19826, 25640, 29486, 39652, 49565, 58972, 73715, 79304, 99130, 117944, 147430, 198260, 276271, 294860, 396520, 552542, 589720, 1105084, 1381355, 2210168, 2762710, 5525420, 6354233, 11050840, 12708466, 25416932, 31771165, 50833864, 63542330, 127084660, 254169320]

約数ペア:

[(1, 254169320), (2, 127084660), (4, 63542330), (5, 50833864), (8, 31771165), (10, 25416932), (20, 12708466), (23, 11050840), (40, 6354233), (46, 5525420), (92, 2762710), (115, 2210168), (184, 1381355), (230, 1105084), (431, 589720), (460, 552542), (641, 396520), (862, 294860), (920, 276271), (1282, 198260), (1724, 147430), (2155, 117944), (2564, 99130), (3205, 79304), (3448, 73715), (4310, 58972), (5128, 49565), (6410, 39652), (8620, 29486), (9913, 25640), (12820, 19826), (14743, 17240)]