221428410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14851}}^1$

素因数の和:14939

約数の個数: 64

約数和(自身を含む): 615942144

約数和(自身を除く): 394513734

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 710, 994, 1065, 1491, 2130, 2485, 2982, 4970, 7455, 14851, 14910, 29702, 44553, 74255, 89106, 103957, 148510, 207914, 222765, 311871, 445530, 519785, 623742, 1039570, 1054421, 1559355, 2108842, 3118710, 3163263, 5272105, 6326526, 7380947, 10544210, 14761894, 15816315, 22142841, 31632630, 36904735, 44285682, 73809470, 110714205, 221428410]

約数ペア:

[(1, 221428410), (2, 110714205), (3, 73809470), (5, 44285682), (6, 36904735), (7, 31632630), (10, 22142841), (14, 15816315), (15, 14761894), (21, 10544210), (30, 7380947), (35, 6326526), (42, 5272105), (70, 3163263), (71, 3118710), (105, 2108842), (142, 1559355), (210, 1054421), (213, 1039570), (355, 623742), (426, 519785), (497, 445530), (710, 311871), (994, 222765), (1065, 207914), (1491, 148510), (2130, 103957), (2485, 89106), (2982, 74255), (4970, 44553), (7455, 29702), (14851, 14910)]