289256020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{850753}}^1$

素因数の和:850779

約数の個数: 24

約数和(自身を含む): 643170024

約数和(自身を除く): 353914004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 850753, 1701506, 3403012, 4253765, 8507530, 14462801, 17015060, 28925602, 57851204, 72314005, 144628010, 289256020]

約数ペア:

[(1, 289256020), (2, 144628010), (4, 72314005), (5, 57851204), (10, 28925602), (17, 17015060), (20, 14462801), (34, 8507530), (68, 4253765), (85, 3403012), (170, 1701506), (340, 850753)]