127979180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3037}}^1$

素因数の和:3103

約数の個数: 72

約数和(自身を含む): 320010768

約数和(自身を除く): 192031588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 140, 172, 196, 215, 245, 301, 430, 490, 602, 860, 980, 1204, 1505, 2107, 3010, 3037, 4214, 6020, 6074, 8428, 10535, 12148, 15185, 21070, 21259, 30370, 42140, 42518, 60740, 85036, 106295, 130591, 148813, 212590, 261182, 297626, 425180, 522364, 595252, 652955, 744065, 914137, 1305910, 1488130, 1828274, 2611820, 2976260, 3656548, 4570685, 6398959, 9141370, 12797918, 18282740, 25595836, 31994795, 63989590, 127979180]

約数ペア:

[(1, 127979180), (2, 63989590), (4, 31994795), (5, 25595836), (7, 18282740), (10, 12797918), (14, 9141370), (20, 6398959), (28, 4570685), (35, 3656548), (43, 2976260), (49, 2611820), (70, 1828274), (86, 1488130), (98, 1305910), (140, 914137), (172, 744065), (196, 652955), (215, 595252), (245, 522364), (301, 425180), (430, 297626), (490, 261182), (602, 212590), (860, 148813), (980, 130591), (1204, 106295), (1505, 85036), (2107, 60740), (3010, 42518), (3037, 42140), (4214, 30370), (6020, 21259), (6074, 21070), (8428, 15185), (10535, 12148)]