2786900

素因数分解:

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

素因数の和:105

約数の個数: 54

約数和(自身を含む): 6464430

約数和(自身を除く): 3677530

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 31, 50, 58, 62, 100, 116, 124, 145, 155, 290, 310, 580, 620, 725, 775, 899, 961, 1450, 1550, 1798, 1922, 2900, 3100, 3596, 3844, 4495, 4805, 8990, 9610, 17980, 19220, 22475, 24025, 27869, 44950, 48050, 55738, 89900, 96100, 111476, 139345, 278690, 557380, 696725, 1393450, 2786900]

約数ペア:

[(1, 2786900), (2, 1393450), (4, 696725), (5, 557380), (10, 278690), (20, 139345), (25, 111476), (29, 96100), (31, 89900), (50, 55738), (58, 48050), (62, 44950), (100, 27869), (116, 24025), (124, 22475), (145, 19220), (155, 17980), (290, 9610), (310, 8990), (580, 4805), (620, 4495), (725, 3844), (775, 3596), (899, 3100), (961, 2900), (1450, 1922), (1550, 1798)]