201415720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4051}}^1$

素因数の和:4186

約数の個数: 64

約数和(自身を含む): 498882240

約数和(自身を除く): 297466520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 2260, 2486, 4051, 4520, 4972, 6215, 8102, 9944, 12430, 16204, 20255, 24860, 32408, 40510, 44561, 49720, 81020, 89122, 162040, 178244, 222805, 356488, 445610, 457763, 891220, 915526, 1782440, 1831052, 2288815, 3662104, 4577630, 5035393, 9155260, 10070786, 18310520, 20141572, 25176965, 40283144, 50353930, 100707860, 201415720]

約数ペア:

[(1, 201415720), (2, 100707860), (4, 50353930), (5, 40283144), (8, 25176965), (10, 20141572), (11, 18310520), (20, 10070786), (22, 9155260), (40, 5035393), (44, 4577630), (55, 3662104), (88, 2288815), (110, 1831052), (113, 1782440), (220, 915526), (226, 891220), (440, 457763), (452, 445610), (565, 356488), (904, 222805), (1130, 178244), (1243, 162040), (2260, 89122), (2486, 81020), (4051, 49720), (4520, 44561), (4972, 40510), (6215, 32408), (8102, 24860), (9944, 20255), (12430, 16204)]