210977000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{16229}}^1$

素因数の和:16263

約数の個数: 64

約数和(自身を含む): 531694800

約数和(自身を除く): 320717800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 16229, 32458, 64916, 81145, 129832, 162290, 210977, 324580, 405725, 421954, 649160, 811450, 843908, 1054885, 1622900, 1687816, 2028625, 2109770, 3245800, 4057250, 4219540, 5274425, 8114500, 8439080, 10548850, 16229000, 21097700, 26372125, 42195400, 52744250, 105488500, 210977000]

約数ペア:

[(1, 210977000), (2, 105488500), (4, 52744250), (5, 42195400), (8, 26372125), (10, 21097700), (13, 16229000), (20, 10548850), (25, 8439080), (26, 8114500), (40, 5274425), (50, 4219540), (52, 4057250), (65, 3245800), (100, 2109770), (104, 2028625), (125, 1687816), (130, 1622900), (200, 1054885), (250, 843908), (260, 811450), (325, 649160), (500, 421954), (520, 405725), (650, 324580), (1000, 210977), (1300, 162290), (1625, 129832), (2600, 81145), (3250, 64916), (6500, 32458), (13000, 16229)]