858453950

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{509}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 1622106000

約数和(自身を除く): 763652050

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 379, 445, 509, 758, 890, 1018, 1895, 2225, 2545, 3790, 4450, 5090, 9475, 12725, 18950, 25450, 33731, 45301, 67462, 90602, 168655, 192911, 226505, 337310, 385822, 453010, 843275, 964555, 1132525, 1686550, 1929110, 2265050, 4822775, 9645550, 17169079, 34338158, 85845395, 171690790, 429226975, 858453950]

約数ペア:

[(1, 858453950), (2, 429226975), (5, 171690790), (10, 85845395), (25, 34338158), (50, 17169079), (89, 9645550), (178, 4822775), (379, 2265050), (445, 1929110), (509, 1686550), (758, 1132525), (890, 964555), (1018, 843275), (1895, 453010), (2225, 385822), (2545, 337310), (3790, 226505), (4450, 192911), (5090, 168655), (9475, 90602), (12725, 67462), (18950, 45301), (25450, 33731)]