215147940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5281}}^1$

素因数の和:5397

約数の個数: 96

約数和(自身を含む): 695702784

約数和(自身を除く): 480554844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3395, 4074, 5281, 5820, 6790, 8148, 10185, 10562, 13580, 15843, 20370, 21124, 26405, 31686, 36967, 40740, 52810, 63372, 73934, 79215, 105620, 110901, 147868, 158430, 184835, 221802, 316860, 369670, 443604, 512257, 554505, 739340, 1024514, 1109010, 1536771, 2049028, 2218020, 2561285, 3073542, 3585799, 5122570, 6147084, 7171598, 7683855, 10245140, 10757397, 14343196, 15367710, 17928995, 21514794, 30735420, 35857990, 43029588, 53786985, 71715980, 107573970, 215147940]

約数ペア:

[(1, 215147940), (2, 107573970), (3, 71715980), (4, 53786985), (5, 43029588), (6, 35857990), (7, 30735420), (10, 21514794), (12, 17928995), (14, 15367710), (15, 14343196), (20, 10757397), (21, 10245140), (28, 7683855), (30, 7171598), (35, 6147084), (42, 5122570), (60, 3585799), (70, 3073542), (84, 2561285), (97, 2218020), (105, 2049028), (140, 1536771), (194, 1109010), (210, 1024514), (291, 739340), (388, 554505), (420, 512257), (485, 443604), (582, 369670), (679, 316860), (970, 221802), (1164, 184835), (1358, 158430), (1455, 147868), (1940, 110901), (2037, 105620), (2716, 79215), (2910, 73934), (3395, 63372), (4074, 52810), (5281, 40740), (5820, 36967), (6790, 31686), (8148, 26405), (10185, 21124), (10562, 20370), (13580, 15843)]