289722580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55931}}^1$

素因数の和:55984

約数の個数: 48

約数和(自身を含む): 714139776

約数和(自身を除く): 424417196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 55931, 111862, 223724, 279655, 391517, 559310, 783034, 1118620, 1566068, 1957585, 2069447, 3915170, 4138894, 7830340, 8277788, 10347235, 14486129, 20694470, 28972258, 41388940, 57944516, 72430645, 144861290, 289722580]

約数ペア:

[(1, 289722580), (2, 144861290), (4, 72430645), (5, 57944516), (7, 41388940), (10, 28972258), (14, 20694470), (20, 14486129), (28, 10347235), (35, 8277788), (37, 7830340), (70, 4138894), (74, 3915170), (140, 2069447), (148, 1957585), (185, 1566068), (259, 1118620), (370, 783034), (518, 559310), (740, 391517), (1036, 279655), (1295, 223724), (2590, 111862), (5180, 55931)]