320785648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{1433}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 659341728

約数和(自身を除く): 338556080

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 823, 1433, 1646, 2866, 3292, 5732, 6584, 11464, 13168, 13991, 22928, 24361, 27982, 48722, 55964, 97444, 111928, 194888, 223856, 389776, 1179359, 2358718, 4717436, 9434872, 18869744, 20049103, 40098206, 80196412, 160392824, 320785648]

約数ペア:

[(1, 320785648), (2, 160392824), (4, 80196412), (8, 40098206), (16, 20049103), (17, 18869744), (34, 9434872), (68, 4717436), (136, 2358718), (272, 1179359), (823, 389776), (1433, 223856), (1646, 194888), (2866, 111928), (3292, 97444), (5732, 55964), (6584, 48722), (11464, 27982), (13168, 24361), (13991, 22928)]