289354130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 48

約数和(自身を含む): 569293704

約数和(自身を除く): 279939574

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 281, 445, 562, 890, 1157, 1405, 2314, 2810, 3653, 5785, 7306, 7921, 11570, 15842, 18265, 25009, 36530, 39605, 50018, 79210, 102973, 125045, 205946, 250090, 325117, 514865, 650234, 1029730, 1625585, 2225801, 3251170, 4451602, 11129005, 22258010, 28935413, 57870826, 144677065, 289354130]

約数ペア:

[(1, 289354130), (2, 144677065), (5, 57870826), (10, 28935413), (13, 22258010), (26, 11129005), (65, 4451602), (89, 3251170), (130, 2225801), (178, 1625585), (281, 1029730), (445, 650234), (562, 514865), (890, 325117), (1157, 250090), (1405, 205946), (2314, 125045), (2810, 102973), (3653, 79210), (5785, 50018), (7306, 39605), (7921, 36530), (11570, 25009), (15842, 18265)]