2099681000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{34421}}^1$

素因数の和:34503

約数の個数: 64

約数和(自身を含む): 4993943760

約数和(自身を除く): 2894262760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 200, 244, 250, 305, 488, 500, 610, 1000, 1220, 1525, 2440, 3050, 6100, 7625, 12200, 15250, 30500, 34421, 61000, 68842, 137684, 172105, 275368, 344210, 688420, 860525, 1376840, 1721050, 2099681, 3442100, 4199362, 4302625, 6884200, 8398724, 8605250, 10498405, 16797448, 17210500, 20996810, 34421000, 41993620, 52492025, 83987240, 104984050, 209968100, 262460125, 419936200, 524920250, 1049840500, 2099681000]

約数ペア:

[(1, 2099681000), (2, 1049840500), (4, 524920250), (5, 419936200), (8, 262460125), (10, 209968100), (20, 104984050), (25, 83987240), (40, 52492025), (50, 41993620), (61, 34421000), (100, 20996810), (122, 17210500), (125, 16797448), (200, 10498405), (244, 8605250), (250, 8398724), (305, 6884200), (488, 4302625), (500, 4199362), (610, 3442100), (1000, 2099681), (1220, 1721050), (1525, 1376840), (2440, 860525), (3050, 688420), (6100, 344210), (7625, 275368), (12200, 172105), (15250, 137684), (30500, 68842), (34421, 61000)]