4400605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 6220800

約数和(自身を除く): 1820195

約数列:

[1, 5, 11, 29, 31, 55, 89, 145, 155, 319, 341, 445, 899, 979, 1595, 1705, 2581, 2759, 4495, 4895, 9889, 12905, 13795, 28391, 30349, 49445, 80011, 141955, 151745, 400055, 880121, 4400605]

約数ペア:

[(1, 4400605), (5, 880121), (11, 400055), (29, 151745), (31, 141955), (55, 80011), (89, 49445), (145, 30349), (155, 28391), (319, 13795), (341, 12905), (445, 9889), (899, 4895), (979, 4495), (1595, 2759), (1705, 2581)]