640132342990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{576701}}^1$

素因数の和:576973

約数の個数: 64

約数和(自身を含む): 1338354638208

約数和(自身を除く): 698222295218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 157, 202, 314, 505, 707, 785, 1010, 1099, 1414, 1570, 2198, 3535, 5495, 7070, 10990, 15857, 31714, 79285, 110999, 158570, 221998, 554995, 576701, 1109990, 1153402, 2883505, 4036907, 5767010, 8073814, 20184535, 40369070, 58246801, 90542057, 116493602, 181084114, 291234005, 407727607, 452710285, 582468010, 633794399, 815455214, 905420570, 1267588798, 2038638035, 3168971995, 4077276070, 6337943990, 9144747757, 18289495514, 45723738785, 64013234299, 91447477570, 128026468598, 320066171495, 640132342990]

約数ペア:

[(1, 640132342990), (2, 320066171495), (5, 128026468598), (7, 91447477570), (10, 64013234299), (14, 45723738785), (35, 18289495514), (70, 9144747757), (101, 6337943990), (157, 4077276070), (202, 3168971995), (314, 2038638035), (505, 1267588798), (707, 905420570), (785, 815455214), (1010, 633794399), (1099, 582468010), (1414, 452710285), (1570, 407727607), (2198, 291234005), (3535, 181084114), (5495, 116493602), (7070, 90542057), (10990, 58246801), (15857, 40369070), (31714, 20184535), (79285, 8073814), (110999, 5767010), (158570, 4036907), (221998, 2883505), (554995, 1153402), (576701, 1109990)]