221781640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241067}}^1$

素因数の和:241101

約数の個数: 32

約数和(自身を含む): 520706880

約数和(自身を除く): 298925240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 241067, 482134, 964268, 1205335, 1928536, 2410670, 4821340, 5544541, 9642680, 11089082, 22178164, 27722705, 44356328, 55445410, 110890820, 221781640]

約数ペア:

[(1, 221781640), (2, 110890820), (4, 55445410), (5, 44356328), (8, 27722705), (10, 22178164), (20, 11089082), (23, 9642680), (40, 5544541), (46, 4821340), (92, 2410670), (115, 1928536), (184, 1205335), (230, 964268), (460, 482134), (920, 241067)]