208348720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113233}}^1$

素因数の和:113269

約数の個数: 40

約数和(自身を含む): 505476576

約数和(自身を除く): 297127856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 113233, 226466, 452932, 566165, 905864, 1132330, 1811728, 2264660, 2604359, 4529320, 5208718, 9058640, 10417436, 13021795, 20834872, 26043590, 41669744, 52087180, 104174360, 208348720]

約数ペア:

[(1, 208348720), (2, 104174360), (4, 52087180), (5, 41669744), (8, 26043590), (10, 20834872), (16, 13021795), (20, 10417436), (23, 9058640), (40, 5208718), (46, 4529320), (80, 2604359), (92, 2264660), (115, 1811728), (184, 1132330), (230, 905864), (368, 566165), (460, 452932), (920, 226466), (1840, 113233)]