205503160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1607}}^1$

素因数の和:1780

約数の個数: 64

約数和(自身を含む): 486259200

約数和(自身を除く): 280756040

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 139, 184, 230, 278, 460, 556, 695, 920, 1112, 1390, 1607, 2780, 3197, 3214, 5560, 6394, 6428, 8035, 12788, 12856, 15985, 16070, 25576, 31970, 32140, 36961, 63940, 64280, 73922, 127880, 147844, 184805, 223373, 295688, 369610, 446746, 739220, 893492, 1116865, 1478440, 1786984, 2233730, 4467460, 5137579, 8934920, 10275158, 20550316, 25687895, 41100632, 51375790, 102751580, 205503160]

約数ペア:

[(1, 205503160), (2, 102751580), (4, 51375790), (5, 41100632), (8, 25687895), (10, 20550316), (20, 10275158), (23, 8934920), (40, 5137579), (46, 4467460), (92, 2233730), (115, 1786984), (139, 1478440), (184, 1116865), (230, 893492), (278, 739220), (460, 446746), (556, 369610), (695, 295688), (920, 223373), (1112, 184805), (1390, 147844), (1607, 127880), (2780, 73922), (3197, 64280), (3214, 63940), (5560, 36961), (6394, 32140), (6428, 31970), (8035, 25576), (12788, 16070), (12856, 15985)]