142740130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20717}}^1$

素因数の和:20790

約数の個数: 32

約数和(自身を含む): 281930544

約数和(自身を除く): 139190414

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 20717, 41434, 103585, 207170, 269321, 538642, 1098001, 1346605, 2196002, 2693210, 5490005, 10980010, 14274013, 28548026, 71370065, 142740130]

約数ペア:

[(1, 142740130), (2, 71370065), (5, 28548026), (10, 14274013), (13, 10980010), (26, 5490005), (53, 2693210), (65, 2196002), (106, 1346605), (130, 1098001), (265, 538642), (530, 269321), (689, 207170), (1378, 103585), (3445, 41434), (6890, 20717)]