8982440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 21772800

約数和(自身を除く): 12790360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 190, 212, 223, 265, 380, 424, 446, 530, 760, 892, 1007, 1060, 1115, 1784, 2014, 2120, 2230, 4028, 4237, 4460, 5035, 8056, 8474, 8920, 10070, 11819, 16948, 20140, 21185, 23638, 33896, 40280, 42370, 47276, 59095, 84740, 94552, 118190, 169480, 224561, 236380, 449122, 472760, 898244, 1122805, 1796488, 2245610, 4491220, 8982440]

約数ペア:

[(1, 8982440), (2, 4491220), (4, 2245610), (5, 1796488), (8, 1122805), (10, 898244), (19, 472760), (20, 449122), (38, 236380), (40, 224561), (53, 169480), (76, 118190), (95, 94552), (106, 84740), (152, 59095), (190, 47276), (212, 42370), (223, 40280), (265, 33896), (380, 23638), (424, 21185), (446, 20140), (530, 16948), (760, 11819), (892, 10070), (1007, 8920), (1060, 8474), (1115, 8056), (1784, 5035), (2014, 4460), (2120, 4237), (2230, 4028)]