74821075

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 110953216

約数和(自身を除く): 36132141

約数列:

[1, 5, 7, 25, 35, 43, 61, 163, 175, 215, 301, 305, 427, 815, 1075, 1141, 1505, 1525, 2135, 2623, 4075, 5705, 7009, 7525, 9943, 10675, 13115, 18361, 28525, 35045, 49063, 49715, 65575, 69601, 91805, 175225, 245315, 248575, 348005, 427549, 459025, 1226575, 1740025, 2137745, 2992843, 10688725, 14964215, 74821075]

約数ペア:

[(1, 74821075), (5, 14964215), (7, 10688725), (25, 2992843), (35, 2137745), (43, 1740025), (61, 1226575), (163, 459025), (175, 427549), (215, 348005), (301, 248575), (305, 245315), (427, 175225), (815, 91805), (1075, 69601), (1141, 65575), (1505, 49715), (1525, 49063), (2135, 35045), (2623, 28525), (4075, 18361), (5705, 13115), (7009, 10675), (7525, 9943)]