2019746600

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{165553}}^1$

素因数の和:165630

約数の個数: 48

約数和(自身を含む): 4772921820

約数和(自身を除く): 2753175220

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 12200, 165553, 331106, 662212, 827765, 1324424, 1655530, 3311060, 4138825, 6622120, 8277650, 10098733, 16555300, 20197466, 33110600, 40394932, 50493665, 80789864, 100987330, 201974660, 252468325, 403949320, 504936650, 1009873300, 2019746600]

約数ペア:

[(1, 2019746600), (2, 1009873300), (4, 504936650), (5, 403949320), (8, 252468325), (10, 201974660), (20, 100987330), (25, 80789864), (40, 50493665), (50, 40394932), (61, 33110600), (100, 20197466), (122, 16555300), (200, 10098733), (244, 8277650), (305, 6622120), (488, 4138825), (610, 3311060), (1220, 1655530), (1525, 1324424), (2440, 827765), (3050, 662212), (6100, 331106), (12200, 165553)]