154966640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{84221}}^1$

素因数の和:84257

約数の個数: 40

約数和(自身を含む): 375967008

約数和(自身を除く): 221000368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 84221, 168442, 336884, 421105, 673768, 842210, 1347536, 1684420, 1937083, 3368840, 3874166, 6737680, 7748332, 9685415, 15496664, 19370830, 30993328, 38741660, 77483320, 154966640]

約数ペア:

[(1, 154966640), (2, 77483320), (4, 38741660), (5, 30993328), (8, 19370830), (10, 15496664), (16, 9685415), (20, 7748332), (23, 6737680), (40, 3874166), (46, 3368840), (80, 1937083), (92, 1684420), (115, 1347536), (184, 842210), (230, 673768), (368, 421105), (460, 336884), (920, 168442), (1840, 84221)]