6438740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 17466624

約数和(自身を除く): 11027884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 37, 44, 55, 70, 74, 77, 110, 113, 140, 148, 154, 185, 220, 226, 259, 308, 370, 385, 407, 452, 518, 565, 740, 770, 791, 814, 1036, 1130, 1243, 1295, 1540, 1582, 1628, 2035, 2260, 2486, 2590, 2849, 3164, 3955, 4070, 4181, 4972, 5180, 5698, 6215, 7910, 8140, 8362, 8701, 11396, 12430, 14245, 15820, 16724, 17402, 20905, 24860, 28490, 29267, 34804, 41810, 43505, 45991, 56980, 58534, 83620, 87010, 91982, 117068, 146335, 174020, 183964, 229955, 292670, 321937, 459910, 585340, 643874, 919820, 1287748, 1609685, 3219370, 6438740]

約数ペア:

[(1, 6438740), (2, 3219370), (4, 1609685), (5, 1287748), (7, 919820), (10, 643874), (11, 585340), (14, 459910), (20, 321937), (22, 292670), (28, 229955), (35, 183964), (37, 174020), (44, 146335), (55, 117068), (70, 91982), (74, 87010), (77, 83620), (110, 58534), (113, 56980), (140, 45991), (148, 43505), (154, 41810), (185, 34804), (220, 29267), (226, 28490), (259, 24860), (308, 20905), (370, 17402), (385, 16724), (407, 15820), (452, 14245), (518, 12430), (565, 11396), (740, 8701), (770, 8362), (791, 8140), (814, 7910), (1036, 6215), (1130, 5698), (1243, 5180), (1295, 4972), (1540, 4181), (1582, 4070), (1628, 3955), (2035, 3164), (2260, 2849), (2486, 2590)]