285544240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{209959}}^1$

素因数の和:209989

約数の個数: 40

約数和(自身を含む): 702946080

約数和(自身を除く): 417401840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 209959, 419918, 839836, 1049795, 1679672, 2099590, 3359344, 3569303, 4199180, 7138606, 8398360, 14277212, 16796720, 17846515, 28554424, 35693030, 57108848, 71386060, 142772120, 285544240]

約数ペア:

[(1, 285544240), (2, 142772120), (4, 71386060), (5, 57108848), (8, 35693030), (10, 28554424), (16, 17846515), (17, 16796720), (20, 14277212), (34, 8398360), (40, 7138606), (68, 4199180), (80, 3569303), (85, 3359344), (136, 2099590), (170, 1679672), (272, 1049795), (340, 839836), (680, 419918), (1360, 209959)]