2017646980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{5387}}^1$

素因数の和:5764

約数の個数: 48

約数和(自身を含む): 4321348416

約数和(自身を除く): 2303701436

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 307, 610, 614, 1220, 1228, 1535, 3070, 5387, 6140, 10774, 18727, 21548, 26935, 37454, 53870, 74908, 93635, 107740, 187270, 328607, 374540, 657214, 1314428, 1643035, 1653809, 3286070, 3307618, 6572140, 6615236, 8269045, 16538090, 33076180, 100882349, 201764698, 403529396, 504411745, 1008823490, 2017646980]

約数ペア:

[(1, 2017646980), (2, 1008823490), (4, 504411745), (5, 403529396), (10, 201764698), (20, 100882349), (61, 33076180), (122, 16538090), (244, 8269045), (305, 6615236), (307, 6572140), (610, 3307618), (614, 3286070), (1220, 1653809), (1228, 1643035), (1535, 1314428), (3070, 657214), (5387, 374540), (6140, 328607), (10774, 187270), (18727, 107740), (21548, 93635), (26935, 74908), (37454, 53870)]