27941480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1367}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 72887040

約数和(自身を除く): 44945560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1367, 1460, 2044, 2555, 2734, 2920, 4088, 5110, 5468, 6835, 9569, 10220, 10936, 13670, 19138, 20440, 27340, 38276, 47845, 54680, 76552, 95690, 99791, 191380, 199582, 382760, 399164, 498955, 698537, 798328, 997910, 1397074, 1995820, 2794148, 3492685, 3991640, 5588296, 6985370, 13970740, 27941480]

約数ペア:

[(1, 27941480), (2, 13970740), (4, 6985370), (5, 5588296), (7, 3991640), (8, 3492685), (10, 2794148), (14, 1995820), (20, 1397074), (28, 997910), (35, 798328), (40, 698537), (56, 498955), (70, 399164), (73, 382760), (140, 199582), (146, 191380), (280, 99791), (292, 95690), (365, 76552), (511, 54680), (584, 47845), (730, 38276), (1022, 27340), (1367, 20440), (1460, 19138), (2044, 13670), (2555, 10936), (2734, 10220), (2920, 9569), (4088, 6835), (5110, 5468)]