179800

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 446400

約数和(自身を除く): 266600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 31, 40, 50, 58, 62, 100, 116, 124, 145, 155, 200, 232, 248, 290, 310, 580, 620, 725, 775, 899, 1160, 1240, 1450, 1550, 1798, 2900, 3100, 3596, 4495, 5800, 6200, 7192, 8990, 17980, 22475, 35960, 44950, 89900, 179800]

約数ペア:

[(1, 179800), (2, 89900), (4, 44950), (5, 35960), (8, 22475), (10, 17980), (20, 8990), (25, 7192), (29, 6200), (31, 5800), (40, 4495), (50, 3596), (58, 3100), (62, 2900), (100, 1798), (116, 1550), (124, 1450), (145, 1240), (155, 1160), (200, 899), (232, 775), (248, 725), (290, 620), (310, 580)]