2008305980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{20717}}^1$

素因数の和:20894

約数の個数: 48

約数和(自身を含む): 4364702496

約数和(自身を除く): 2356396516

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 131, 148, 185, 262, 370, 524, 655, 740, 1310, 2620, 4847, 9694, 19388, 20717, 24235, 41434, 48470, 82868, 96940, 103585, 207170, 414340, 766529, 1533058, 2713927, 3066116, 3832645, 5427854, 7665290, 10855708, 13569635, 15330580, 27139270, 54278540, 100415299, 200830598, 401661196, 502076495, 1004152990, 2008305980]

約数ペア:

[(1, 2008305980), (2, 1004152990), (4, 502076495), (5, 401661196), (10, 200830598), (20, 100415299), (37, 54278540), (74, 27139270), (131, 15330580), (148, 13569635), (185, 10855708), (262, 7665290), (370, 5427854), (524, 3832645), (655, 3066116), (740, 2713927), (1310, 1533058), (2620, 766529), (4847, 414340), (9694, 207170), (19388, 103585), (20717, 96940), (24235, 82868), (41434, 48470)]