919514260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{27481}}^1$

素因数の和:27736

約数の個数: 48

約数和(自身を含む): 2216148480

約数和(自身を除く): 1296634220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 16730, 27481, 33460, 54962, 109924, 137405, 192367, 274810, 384734, 549620, 769468, 961835, 1923670, 3847340, 6567959, 13135918, 26271836, 32839795, 45975713, 65679590, 91951426, 131359180, 183902852, 229878565, 459757130, 919514260]

約数ペア:

[(1, 919514260), (2, 459757130), (4, 229878565), (5, 183902852), (7, 131359180), (10, 91951426), (14, 65679590), (20, 45975713), (28, 32839795), (35, 26271836), (70, 13135918), (140, 6567959), (239, 3847340), (478, 1923670), (956, 961835), (1195, 769468), (1673, 549620), (2390, 384734), (3346, 274810), (4780, 192367), (6692, 137405), (8365, 109924), (16730, 54962), (27481, 33460)]