142635880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{787}}^1$

素因数の和:1018

約数の個数: 64

約数和(自身を含む): 337011840

約数和(自身を除く): 194375960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 197, 230, 394, 460, 787, 788, 920, 985, 1574, 1576, 1970, 3148, 3935, 3940, 4531, 6296, 7870, 7880, 9062, 15740, 18101, 18124, 22655, 31480, 36202, 36248, 45310, 72404, 90505, 90620, 144808, 155039, 181010, 181240, 310078, 362020, 620156, 724040, 775195, 1240312, 1550390, 3100780, 3565897, 6201560, 7131794, 14263588, 17829485, 28527176, 35658970, 71317940, 142635880]

約数ペア:

[(1, 142635880), (2, 71317940), (4, 35658970), (5, 28527176), (8, 17829485), (10, 14263588), (20, 7131794), (23, 6201560), (40, 3565897), (46, 3100780), (92, 1550390), (115, 1240312), (184, 775195), (197, 724040), (230, 620156), (394, 362020), (460, 310078), (787, 181240), (788, 181010), (920, 155039), (985, 144808), (1574, 90620), (1576, 90505), (1970, 72404), (3148, 45310), (3935, 36248), (3940, 36202), (4531, 31480), (6296, 22655), (7870, 18124), (7880, 18101), (9062, 15740)]