79911220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3853}}^1$

素因数の和:3940

約数の個数: 48

約数和(自身を含む): 180644688

約数和(自身を除く): 100733468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 3853, 4148, 5185, 7706, 10370, 15412, 19265, 20740, 38530, 65501, 77060, 131002, 235033, 262004, 327505, 470066, 655010, 940132, 1175165, 1310020, 2350330, 3995561, 4700660, 7991122, 15982244, 19977805, 39955610, 79911220]

約数ペア:

[(1, 79911220), (2, 39955610), (4, 19977805), (5, 15982244), (10, 7991122), (17, 4700660), (20, 3995561), (34, 2350330), (61, 1310020), (68, 1175165), (85, 940132), (122, 655010), (170, 470066), (244, 327505), (305, 262004), (340, 235033), (610, 131002), (1037, 77060), (1220, 65501), (2074, 38530), (3853, 20740), (4148, 19265), (5185, 15412), (7706, 10370)]