221896780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{20063}}^1$

素因数の和:20158

約数の個数: 48

約数和(自身を含む): 539320320

約数和(自身を除く): 317423540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 5530, 11060, 20063, 40126, 80252, 100315, 140441, 200630, 280882, 401260, 561764, 702205, 1404410, 1584977, 2808820, 3169954, 6339908, 7924885, 11094839, 15849770, 22189678, 31699540, 44379356, 55474195, 110948390, 221896780]

約数ペア:

[(1, 221896780), (2, 110948390), (4, 55474195), (5, 44379356), (7, 31699540), (10, 22189678), (14, 15849770), (20, 11094839), (28, 7924885), (35, 6339908), (70, 3169954), (79, 2808820), (140, 1584977), (158, 1404410), (316, 702205), (395, 561764), (553, 401260), (790, 280882), (1106, 200630), (1580, 140441), (2212, 100315), (2765, 80252), (5530, 40126), (11060, 20063)]