243669650440

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1049}}^1\times {\mathrm{6547}}^1$

素因数の和:8494

約数の個数: 64

約数和(自身を含む): 549481968000

約数和(自身を除く): 305812317560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1049, 1774, 2098, 3548, 4196, 4435, 5245, 6547, 7096, 8392, 8870, 10490, 13094, 17740, 20980, 26188, 32735, 35480, 41960, 52376, 65470, 130940, 261880, 930463, 1860926, 3721852, 4652315, 5807189, 6867803, 7443704, 9304630, 11614378, 13735606, 18609260, 23228756, 27471212, 29035945, 34339015, 37218520, 46457512, 54942424, 58071890, 68678030, 116143780, 137356060, 232287560, 274712120, 6091741261, 12183482522, 24366965044, 30458706305, 48733930088, 60917412610, 121834825220, 243669650440]

約数ペア:

[(1, 243669650440), (2, 121834825220), (4, 60917412610), (5, 48733930088), (8, 30458706305), (10, 24366965044), (20, 12183482522), (40, 6091741261), (887, 274712120), (1049, 232287560), (1774, 137356060), (2098, 116143780), (3548, 68678030), (4196, 58071890), (4435, 54942424), (5245, 46457512), (6547, 37218520), (7096, 34339015), (8392, 29035945), (8870, 27471212), (10490, 23228756), (13094, 18609260), (17740, 13735606), (20980, 11614378), (26188, 9304630), (32735, 7443704), (35480, 6867803), (41960, 5807189), (52376, 4652315), (65470, 3721852), (130940, 1860926), (261880, 930463)]