189888860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31543}}^1$

素因数の和:31602

約数の個数: 48

約数和(自身を含む): 466346496

約数和(自身を除く): 276457636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 31543, 63086, 126172, 157715, 220801, 315430, 441602, 630860, 883204, 1104005, 1356349, 2208010, 2712698, 4416020, 5425396, 6781745, 9494443, 13563490, 18988886, 27126980, 37977772, 47472215, 94944430, 189888860]

約数ペア:

[(1, 189888860), (2, 94944430), (4, 47472215), (5, 37977772), (7, 27126980), (10, 18988886), (14, 13563490), (20, 9494443), (28, 6781745), (35, 5425396), (43, 4416020), (70, 2712698), (86, 2208010), (140, 1356349), (172, 1104005), (215, 883204), (301, 630860), (430, 441602), (602, 315430), (860, 220801), (1204, 157715), (1505, 126172), (3010, 63086), (6020, 31543)]