73942420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 160392960

約数和(自身を除く): 86450540

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 395, 530, 790, 883, 1060, 1580, 1766, 3532, 4187, 4415, 8374, 8830, 16748, 17660, 20935, 41870, 46799, 69757, 83740, 93598, 139514, 187196, 233995, 279028, 348785, 467990, 697570, 935980, 1395140, 3697121, 7394242, 14788484, 18485605, 36971210, 73942420]

約数ペア:

[(1, 73942420), (2, 36971210), (4, 18485605), (5, 14788484), (10, 7394242), (20, 3697121), (53, 1395140), (79, 935980), (106, 697570), (158, 467990), (212, 348785), (265, 279028), (316, 233995), (395, 187196), (530, 139514), (790, 93598), (883, 83740), (1060, 69757), (1580, 46799), (1766, 41870), (3532, 20935), (4187, 17660), (4415, 16748), (8374, 8830)]