67001990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 139594752

約数和(自身を除く): 72592762

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 71, 110, 115, 142, 230, 253, 355, 373, 506, 710, 746, 781, 1265, 1562, 1633, 1865, 2530, 3266, 3730, 3905, 4103, 7810, 8165, 8206, 8579, 16330, 17158, 17963, 20515, 26483, 35926, 41030, 42895, 52966, 85790, 89815, 94369, 132415, 179630, 188738, 264830, 291313, 471845, 582626, 609109, 943690, 1218218, 1456565, 2913130, 3045545, 6091090, 6700199, 13400398, 33500995, 67001990]

約数ペア:

[(1, 67001990), (2, 33500995), (5, 13400398), (10, 6700199), (11, 6091090), (22, 3045545), (23, 2913130), (46, 1456565), (55, 1218218), (71, 943690), (110, 609109), (115, 582626), (142, 471845), (230, 291313), (253, 264830), (355, 188738), (373, 179630), (506, 132415), (710, 94369), (746, 89815), (781, 85790), (1265, 52966), (1562, 42895), (1633, 41030), (1865, 35926), (2530, 26483), (3266, 20515), (3730, 17963), (3905, 17158), (4103, 16330), (7810, 8579), (8165, 8206)]