399593320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{49211}}^1$

素因数の和:49258

約数の個数: 64

約数和(自身を含む): 1062979200

約数和(自身を除く): 663385880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 49211, 98422, 196844, 246055, 344477, 393688, 492110, 688954, 984220, 1377908, 1427119, 1722385, 1968440, 2755816, 2854238, 3444770, 5708476, 6889540, 7135595, 9989833, 11416952, 13779080, 14271190, 19979666, 28542380, 39959332, 49949165, 57084760, 79918664, 99898330, 199796660, 399593320]

約数ペア:

[(1, 399593320), (2, 199796660), (4, 99898330), (5, 79918664), (7, 57084760), (8, 49949165), (10, 39959332), (14, 28542380), (20, 19979666), (28, 14271190), (29, 13779080), (35, 11416952), (40, 9989833), (56, 7135595), (58, 6889540), (70, 5708476), (116, 3444770), (140, 2854238), (145, 2755816), (203, 1968440), (232, 1722385), (280, 1427119), (290, 1377908), (406, 984220), (580, 688954), (812, 492110), (1015, 393688), (1160, 344477), (1624, 246055), (2030, 196844), (4060, 98422), (8120, 49211)]