309849140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{911321}}^1$

素因数の和:911347

約数の個数: 24

約数和(自身を含む): 688959432

約数和(自身を除く): 379110292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 911321, 1822642, 3645284, 4556605, 9113210, 15492457, 18226420, 30984914, 61969828, 77462285, 154924570, 309849140]

約数ペア:

[(1, 309849140), (2, 154924570), (4, 77462285), (5, 61969828), (10, 30984914), (17, 18226420), (20, 15492457), (34, 9113210), (68, 4556605), (85, 3645284), (170, 1822642), (340, 911321)]