72461780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 156715776

約数和(自身を除く): 84253996

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 157, 188, 235, 314, 470, 491, 628, 785, 940, 982, 1570, 1964, 2455, 3140, 4910, 7379, 9820, 14758, 23077, 29516, 36895, 46154, 73790, 77087, 92308, 115385, 147580, 154174, 230770, 308348, 385435, 461540, 770870, 1541740, 3623089, 7246178, 14492356, 18115445, 36230890, 72461780]

約数ペア:

[(1, 72461780), (2, 36230890), (4, 18115445), (5, 14492356), (10, 7246178), (20, 3623089), (47, 1541740), (94, 770870), (157, 461540), (188, 385435), (235, 308348), (314, 230770), (470, 154174), (491, 147580), (628, 115385), (785, 92308), (940, 77087), (982, 73790), (1570, 46154), (1964, 36895), (2455, 29516), (3140, 23077), (4910, 14758), (7379, 9820)]