689490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 1842048

約数和(自身を除く): 1152558

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 47, 90, 94, 141, 163, 235, 282, 326, 423, 470, 489, 705, 815, 846, 978, 1410, 1467, 1630, 2115, 2445, 2934, 4230, 4890, 7335, 7661, 14670, 15322, 22983, 38305, 45966, 68949, 76610, 114915, 137898, 229830, 344745, 689490]

約数ペア:

[(1, 689490), (2, 344745), (3, 229830), (5, 137898), (6, 114915), (9, 76610), (10, 68949), (15, 45966), (18, 38305), (30, 22983), (45, 15322), (47, 14670), (90, 7661), (94, 7335), (141, 4890), (163, 4230), (235, 2934), (282, 2445), (326, 2115), (423, 1630), (470, 1467), (489, 1410), (705, 978), (815, 846)]