187848100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:853

約数の個数: 72

約数和(自身を含む): 446846400

約数和(自身を除く): 258998300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 389, 439, 550, 778, 878, 1100, 1556, 1756, 1945, 2195, 3890, 4279, 4390, 4829, 7780, 8558, 8780, 9658, 9725, 10975, 17116, 19316, 19450, 21395, 21950, 24145, 38900, 42790, 43900, 48290, 85580, 96580, 106975, 120725, 170771, 213950, 241450, 341542, 427900, 482900, 683084, 853855, 1707710, 1878481, 3415420, 3756962, 4269275, 7513924, 8538550, 9392405, 17077100, 18784810, 37569620, 46962025, 93924050, 187848100]

約数ペア:

[(1, 187848100), (2, 93924050), (4, 46962025), (5, 37569620), (10, 18784810), (11, 17077100), (20, 9392405), (22, 8538550), (25, 7513924), (44, 4269275), (50, 3756962), (55, 3415420), (100, 1878481), (110, 1707710), (220, 853855), (275, 683084), (389, 482900), (439, 427900), (550, 341542), (778, 241450), (878, 213950), (1100, 170771), (1556, 120725), (1756, 106975), (1945, 96580), (2195, 85580), (3890, 48290), (4279, 43900), (4390, 42790), (4829, 38900), (7780, 24145), (8558, 21950), (8780, 21395), (9658, 19450), (9725, 19316), (10975, 17116)]