249025010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 514219104

約数和(自身を除く): 265194094

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 281, 401, 442, 562, 802, 1105, 1405, 2005, 2210, 2810, 3653, 4010, 4777, 5213, 6817, 7306, 9554, 10426, 13634, 18265, 23885, 26065, 34085, 36530, 47770, 52130, 62101, 68170, 88621, 112681, 124202, 177242, 225362, 310505, 443105, 563405, 621010, 886210, 1126810, 1464853, 1915577, 2929706, 3831154, 7324265, 9577885, 14648530, 19155770, 24902501, 49805002, 124512505, 249025010]

約数ペア:

[(1, 249025010), (2, 124512505), (5, 49805002), (10, 24902501), (13, 19155770), (17, 14648530), (26, 9577885), (34, 7324265), (65, 3831154), (85, 2929706), (130, 1915577), (170, 1464853), (221, 1126810), (281, 886210), (401, 621010), (442, 563405), (562, 443105), (802, 310505), (1105, 225362), (1405, 177242), (2005, 124202), (2210, 112681), (2810, 88621), (3653, 68170), (4010, 62101), (4777, 52130), (5213, 47770), (6817, 36530), (7306, 34085), (9554, 26065), (10426, 23885), (13634, 18265)]