8707220

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 19111680

約数和(自身を除く): 10404460

約数列:

[1, 2, 4, 5, 10, 20, 47, 59, 94, 118, 157, 188, 235, 236, 295, 314, 470, 590, 628, 785, 940, 1180, 1570, 2773, 3140, 5546, 7379, 9263, 11092, 13865, 14758, 18526, 27730, 29516, 36895, 37052, 46315, 55460, 73790, 92630, 147580, 185260, 435361, 870722, 1741444, 2176805, 4353610, 8707220]

約数ペア:

[(1, 8707220), (2, 4353610), (4, 2176805), (5, 1741444), (10, 870722), (20, 435361), (47, 185260), (59, 147580), (94, 92630), (118, 73790), (157, 55460), (188, 46315), (235, 37052), (236, 36895), (295, 29516), (314, 27730), (470, 18526), (590, 14758), (628, 13865), (785, 11092), (940, 9263), (1180, 7379), (1570, 5546), (2773, 3140)]