254387210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{8929}}^1$

素因数の和:8991

約数の個数: 64

約数和(自身を含む): 586379520

約数和(自身を除く): 331992310

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 154, 185, 259, 370, 385, 407, 518, 770, 814, 1295, 2035, 2590, 2849, 4070, 5698, 8929, 14245, 17858, 28490, 44645, 62503, 89290, 98219, 125006, 196438, 312515, 330373, 491095, 625030, 660746, 687533, 982190, 1375066, 1651865, 2312611, 3303730, 3437665, 3634103, 4625222, 6875330, 7268206, 11563055, 18170515, 23126110, 25438721, 36341030, 50877442, 127193605, 254387210]

約数ペア:

[(1, 254387210), (2, 127193605), (5, 50877442), (7, 36341030), (10, 25438721), (11, 23126110), (14, 18170515), (22, 11563055), (35, 7268206), (37, 6875330), (55, 4625222), (70, 3634103), (74, 3437665), (77, 3303730), (110, 2312611), (154, 1651865), (185, 1375066), (259, 982190), (370, 687533), (385, 660746), (407, 625030), (518, 491095), (770, 330373), (814, 312515), (1295, 196438), (2035, 125006), (2590, 98219), (2849, 89290), (4070, 62503), (5698, 44645), (8929, 28490), (14245, 17858)]