155220910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 310915584

約数和(自身を除く): 155694674

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 71, 130, 134, 142, 251, 335, 355, 502, 670, 710, 871, 923, 1255, 1742, 1846, 2510, 3263, 4355, 4615, 4757, 6526, 8710, 9230, 9514, 16315, 16817, 17821, 23785, 32630, 33634, 35642, 47570, 61841, 84085, 89105, 123682, 168170, 178210, 218621, 231673, 309205, 437242, 463346, 618410, 1093105, 1158365, 1194007, 2186210, 2316730, 2388014, 5970035, 11940070, 15522091, 31044182, 77610455, 155220910]

約数ペア:

[(1, 155220910), (2, 77610455), (5, 31044182), (10, 15522091), (13, 11940070), (26, 5970035), (65, 2388014), (67, 2316730), (71, 2186210), (130, 1194007), (134, 1158365), (142, 1093105), (251, 618410), (335, 463346), (355, 437242), (502, 309205), (670, 231673), (710, 218621), (871, 178210), (923, 168170), (1255, 123682), (1742, 89105), (1846, 84085), (2510, 61841), (3263, 47570), (4355, 35642), (4615, 33634), (4757, 32630), (6526, 23785), (8710, 17821), (9230, 16817), (9514, 16315)]