216988360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5387}}^1$

素因数の和:5470

約数の個数: 64

約数和(自身を含む): 523713600

約数和(自身を除く): 306725240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 265, 380, 424, 530, 760, 1007, 1060, 2014, 2120, 4028, 5035, 5387, 8056, 10070, 10774, 20140, 21548, 26935, 40280, 43096, 53870, 102353, 107740, 204706, 215480, 285511, 409412, 511765, 571022, 818824, 1023530, 1142044, 1427555, 2047060, 2284088, 2855110, 4094120, 5424709, 5710220, 10849418, 11420440, 21698836, 27123545, 43397672, 54247090, 108494180, 216988360]

約数ペア:

[(1, 216988360), (2, 108494180), (4, 54247090), (5, 43397672), (8, 27123545), (10, 21698836), (19, 11420440), (20, 10849418), (38, 5710220), (40, 5424709), (53, 4094120), (76, 2855110), (95, 2284088), (106, 2047060), (152, 1427555), (190, 1142044), (212, 1023530), (265, 818824), (380, 571022), (424, 511765), (530, 409412), (760, 285511), (1007, 215480), (1060, 204706), (2014, 107740), (2120, 102353), (4028, 53870), (5035, 43096), (5387, 40280), (8056, 26935), (10070, 21548), (10774, 20140)]