27958900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 64995840

約数和(自身を除く): 37036940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 311, 580, 620, 622, 725, 775, 899, 1244, 1450, 1550, 1555, 1798, 2900, 3100, 3110, 3596, 4495, 6220, 7775, 8990, 9019, 9641, 15550, 17980, 18038, 19282, 22475, 31100, 36076, 38564, 44950, 45095, 48205, 89900, 90190, 96410, 180380, 192820, 225475, 241025, 279589, 450950, 482050, 559178, 901900, 964100, 1118356, 1397945, 2795890, 5591780, 6989725, 13979450, 27958900]

約数ペア:

[(1, 27958900), (2, 13979450), (4, 6989725), (5, 5591780), (10, 2795890), (20, 1397945), (25, 1118356), (29, 964100), (31, 901900), (50, 559178), (58, 482050), (62, 450950), (100, 279589), (116, 241025), (124, 225475), (145, 192820), (155, 180380), (290, 96410), (310, 90190), (311, 89900), (580, 48205), (620, 45095), (622, 44950), (725, 38564), (775, 36076), (899, 31100), (1244, 22475), (1450, 19282), (1550, 18038), (1555, 17980), (1798, 15550), (2900, 9641), (3100, 9019), (3110, 8990), (3596, 7775), (4495, 6220)]