216526660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81401}}^1$

素因数の和:81436

約数の個数: 48

約数和(自身を含む): 547021440

約数和(自身を除く): 330494780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 81401, 162802, 325604, 407005, 569807, 814010, 1139614, 1546619, 1628020, 2279228, 2849035, 3093238, 5698070, 6186476, 7733095, 10826333, 11396140, 15466190, 21652666, 30932380, 43305332, 54131665, 108263330, 216526660]

約数ペア:

[(1, 216526660), (2, 108263330), (4, 54131665), (5, 43305332), (7, 30932380), (10, 21652666), (14, 15466190), (19, 11396140), (20, 10826333), (28, 7733095), (35, 6186476), (38, 5698070), (70, 3093238), (76, 2849035), (95, 2279228), (133, 1628020), (140, 1546619), (190, 1139614), (266, 814010), (380, 569807), (532, 407005), (665, 325604), (1330, 162802), (2660, 81401)]