201020170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 409328640

約数和(自身を除く): 208308470

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 71, 130, 142, 145, 290, 355, 377, 710, 751, 754, 923, 1502, 1846, 1885, 2059, 3755, 3770, 4118, 4615, 7510, 9230, 9763, 10295, 19526, 20590, 21779, 26767, 43558, 48815, 53321, 53534, 97630, 106642, 108895, 133835, 217790, 266605, 267670, 283127, 533210, 566254, 693173, 1386346, 1415635, 1546309, 2831270, 3092618, 3465865, 6931730, 7731545, 15463090, 20102017, 40204034, 100510085, 201020170]

約数ペア:

[(1, 201020170), (2, 100510085), (5, 40204034), (10, 20102017), (13, 15463090), (26, 7731545), (29, 6931730), (58, 3465865), (65, 3092618), (71, 2831270), (130, 1546309), (142, 1415635), (145, 1386346), (290, 693173), (355, 566254), (377, 533210), (710, 283127), (751, 267670), (754, 266605), (923, 217790), (1502, 133835), (1846, 108895), (1885, 106642), (2059, 97630), (3755, 53534), (3770, 53321), (4118, 48815), (4615, 43558), (7510, 26767), (9230, 21779), (9763, 20590), (10295, 19526)]