149236840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 342642960

約数和(自身を除く): 193406120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 137, 226, 241, 274, 452, 482, 548, 565, 685, 904, 964, 1096, 1130, 1205, 1370, 1928, 2260, 2410, 2740, 4520, 4820, 5480, 9640, 15481, 27233, 30962, 33017, 54466, 61924, 66034, 77405, 108932, 123848, 132068, 136165, 154810, 165085, 217864, 264136, 272330, 309620, 330170, 544660, 619240, 660340, 1089320, 1320680, 3730921, 7461842, 14923684, 18654605, 29847368, 37309210, 74618420, 149236840]

約数ペア:

[(1, 149236840), (2, 74618420), (4, 37309210), (5, 29847368), (8, 18654605), (10, 14923684), (20, 7461842), (40, 3730921), (113, 1320680), (137, 1089320), (226, 660340), (241, 619240), (274, 544660), (452, 330170), (482, 309620), (548, 272330), (565, 264136), (685, 217864), (904, 165085), (964, 154810), (1096, 136165), (1130, 132068), (1205, 123848), (1370, 108932), (1928, 77405), (2260, 66034), (2410, 61924), (2740, 54466), (4520, 33017), (4820, 30962), (5480, 27233), (9640, 15481)]