189330640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{76343}}^1$

素因数の和:76387

約数の個数: 40

約数和(自身を含む): 454399488

約数和(自身を除く): 265068848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 76343, 152686, 305372, 381715, 610744, 763430, 1221488, 1526860, 2366633, 3053720, 4733266, 6107440, 9466532, 11833165, 18933064, 23666330, 37866128, 47332660, 94665320, 189330640]

約数ペア:

[(1, 189330640), (2, 94665320), (4, 47332660), (5, 37866128), (8, 23666330), (10, 18933064), (16, 11833165), (20, 9466532), (31, 6107440), (40, 4733266), (62, 3053720), (80, 2366633), (124, 1526860), (155, 1221488), (248, 763430), (310, 610744), (496, 381715), (620, 305372), (1240, 152686), (2480, 76343)]