408229780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{8863}}^1$

素因数の和:8933

約数の個数: 72

約数和(自身を含む): 1018579968

約数和(自身を除く): 610350188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 4606, 6580, 8863, 9212, 11515, 17726, 23030, 35452, 44315, 46060, 62041, 88630, 124082, 177260, 248164, 310205, 416561, 434287, 620410, 833122, 868574, 1240820, 1666244, 1737148, 2082805, 2171435, 2915927, 4165610, 4342870, 5831854, 8331220, 8685740, 11663708, 14579635, 20411489, 29159270, 40822978, 58318540, 81645956, 102057445, 204114890, 408229780]

約数ペア:

[(1, 408229780), (2, 204114890), (4, 102057445), (5, 81645956), (7, 58318540), (10, 40822978), (14, 29159270), (20, 20411489), (28, 14579635), (35, 11663708), (47, 8685740), (49, 8331220), (70, 5831854), (94, 4342870), (98, 4165610), (140, 2915927), (188, 2171435), (196, 2082805), (235, 1737148), (245, 1666244), (329, 1240820), (470, 868574), (490, 833122), (658, 620410), (940, 434287), (980, 416561), (1316, 310205), (1645, 248164), (2303, 177260), (3290, 124082), (4606, 88630), (6580, 62041), (8863, 46060), (9212, 44315), (11515, 35452), (17726, 23030)]