98890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 32

約数和(自身を含む): 207360

約数和(自身を除く): 108470

約数列:

[1, 2, 5, 10, 11, 22, 29, 31, 55, 58, 62, 110, 145, 155, 290, 310, 319, 341, 638, 682, 899, 1595, 1705, 1798, 3190, 3410, 4495, 8990, 9889, 19778, 49445, 98890]

約数ペア:

[(1, 98890), (2, 49445), (5, 19778), (10, 9889), (11, 8990), (22, 4495), (29, 3410), (31, 3190), (55, 1798), (58, 1705), (62, 1595), (110, 899), (145, 682), (155, 638), (290, 341), (310, 319)]