428720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:269

約数の個数: 40

約数和(自身を含む): 1044576

約数和(自身を除く): 615856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 233, 368, 460, 466, 920, 932, 1165, 1840, 1864, 2330, 3728, 4660, 5359, 9320, 10718, 18640, 21436, 26795, 42872, 53590, 85744, 107180, 214360, 428720]

約数ペア:

[(1, 428720), (2, 214360), (4, 107180), (5, 85744), (8, 53590), (10, 42872), (16, 26795), (20, 21436), (23, 18640), (40, 10718), (46, 9320), (80, 5359), (92, 4660), (115, 3728), (184, 2330), (230, 1864), (233, 1840), (368, 1165), (460, 932), (466, 920)]