2019944440

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{4441}}^1$

素因数の和:4672

約数の個数: 64

約数和(自身を含む): 4634249760

約数和(自身を除く): 2614305320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 137, 166, 274, 332, 415, 548, 664, 685, 830, 1096, 1370, 1660, 2740, 3320, 4441, 5480, 8882, 11371, 17764, 22205, 22742, 35528, 44410, 45484, 56855, 88820, 90968, 113710, 177640, 227420, 368603, 454840, 608417, 737206, 1216834, 1474412, 1843015, 2433668, 2948824, 3042085, 3686030, 4867336, 6084170, 7372060, 12168340, 14744120, 24336680, 50498611, 100997222, 201994444, 252493055, 403988888, 504986110, 1009972220, 2019944440]

約数ペア:

[(1, 2019944440), (2, 1009972220), (4, 504986110), (5, 403988888), (8, 252493055), (10, 201994444), (20, 100997222), (40, 50498611), (83, 24336680), (137, 14744120), (166, 12168340), (274, 7372060), (332, 6084170), (415, 4867336), (548, 3686030), (664, 3042085), (685, 2948824), (830, 2433668), (1096, 1843015), (1370, 1474412), (1660, 1216834), (2740, 737206), (3320, 608417), (4441, 454840), (5480, 368603), (8882, 227420), (11371, 177640), (17764, 113710), (22205, 90968), (22742, 88820), (35528, 56855), (44410, 45484)]