438999560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{1609}}^1$

素因数の和:1998

約数の個数: 64

約数和(自身を含む): 1043280000

約数和(自身を除く): 604280440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 359, 380, 718, 760, 1436, 1609, 1795, 2872, 3218, 3590, 6436, 6821, 7180, 8045, 12872, 13642, 14360, 16090, 27284, 30571, 32180, 34105, 54568, 61142, 64360, 68210, 122284, 136420, 152855, 244568, 272840, 305710, 577631, 611420, 1155262, 1222840, 2310524, 2888155, 4621048, 5776310, 10974989, 11552620, 21949978, 23105240, 43899956, 54874945, 87799912, 109749890, 219499780, 438999560]

約数ペア:

[(1, 438999560), (2, 219499780), (4, 109749890), (5, 87799912), (8, 54874945), (10, 43899956), (19, 23105240), (20, 21949978), (38, 11552620), (40, 10974989), (76, 5776310), (95, 4621048), (152, 2888155), (190, 2310524), (359, 1222840), (380, 1155262), (718, 611420), (760, 577631), (1436, 305710), (1609, 272840), (1795, 244568), (2872, 152855), (3218, 136420), (3590, 122284), (6436, 68210), (6821, 64360), (7180, 61142), (8045, 54568), (12872, 34105), (13642, 32180), (14360, 30571), (16090, 27284)]