42042490

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{359}}^1$

素因数の和:619

約数の個数: 48

約数和(自身を含む): 88646400

約数和(自身を除く): 46603910

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 359, 478, 490, 718, 1195, 1673, 1795, 2390, 2513, 3346, 3590, 5026, 8365, 11711, 12565, 16730, 17591, 23422, 25130, 35182, 58555, 85801, 87955, 117110, 171602, 175910, 429005, 600607, 858010, 1201214, 3003035, 4204249, 6006070, 8408498, 21021245, 42042490]

約数ペア:

[(1, 42042490), (2, 21021245), (5, 8408498), (7, 6006070), (10, 4204249), (14, 3003035), (35, 1201214), (49, 858010), (70, 600607), (98, 429005), (239, 175910), (245, 171602), (359, 117110), (478, 87955), (490, 85801), (718, 58555), (1195, 35182), (1673, 25130), (1795, 23422), (2390, 17591), (2513, 16730), (3346, 12565), (3590, 11711), (5026, 8365)]