388800280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 1008184320

約数和(自身を除く): 619384040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 103, 110, 115, 184, 206, 220, 230, 253, 373, 412, 440, 460, 506, 515, 746, 824, 920, 1012, 1030, 1133, 1265, 1492, 1865, 2024, 2060, 2266, 2369, 2530, 2984, 3730, 4103, 4120, 4532, 4738, 5060, 5665, 7460, 8206, 8579, 9064, 9476, 10120, 11330, 11845, 14920, 16412, 17158, 18952, 20515, 22660, 23690, 26059, 32824, 34316, 38419, 41030, 42895, 45320, 47380, 52118, 68632, 76838, 82060, 85790, 94369, 94760, 104236, 130295, 153676, 164120, 171580, 188738, 192095, 208472, 260590, 307352, 343160, 377476, 384190, 422609, 471845, 521180, 754952, 768380, 845218, 883637, 943690, 1042360, 1536760, 1690436, 1767274, 1887380, 2113045, 3380872, 3534548, 3774760, 4226090, 4418185, 7069096, 8452180, 8836370, 9720007, 16904360, 17672740, 19440014, 35345480, 38880028, 48600035, 77760056, 97200070, 194400140, 388800280]

約数ペア:

[(1, 388800280), (2, 194400140), (4, 97200070), (5, 77760056), (8, 48600035), (10, 38880028), (11, 35345480), (20, 19440014), (22, 17672740), (23, 16904360), (40, 9720007), (44, 8836370), (46, 8452180), (55, 7069096), (88, 4418185), (92, 4226090), (103, 3774760), (110, 3534548), (115, 3380872), (184, 2113045), (206, 1887380), (220, 1767274), (230, 1690436), (253, 1536760), (373, 1042360), (412, 943690), (440, 883637), (460, 845218), (506, 768380), (515, 754952), (746, 521180), (824, 471845), (920, 422609), (1012, 384190), (1030, 377476), (1133, 343160), (1265, 307352), (1492, 260590), (1865, 208472), (2024, 192095), (2060, 188738), (2266, 171580), (2369, 164120), (2530, 153676), (2984, 130295), (3730, 104236), (4103, 94760), (4120, 94369), (4532, 85790), (4738, 82060), (5060, 76838), (5665, 68632), (7460, 52118), (8206, 47380), (8579, 45320), (9064, 42895), (9476, 41030), (10120, 38419), (11330, 34316), (11845, 32824), (14920, 26059), (16412, 23690), (17158, 22660), (18952, 20515)]