246609220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 639922752

約数和(自身を除く): 393313532

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 26, 44, 46, 52, 55, 65, 92, 110, 115, 130, 143, 163, 220, 230, 253, 260, 286, 299, 326, 460, 506, 529, 572, 598, 652, 715, 815, 1012, 1058, 1196, 1265, 1430, 1495, 1630, 1793, 2116, 2119, 2530, 2645, 2860, 2990, 3260, 3289, 3586, 3749, 4238, 5060, 5290, 5819, 5980, 6578, 6877, 7172, 7498, 8476, 8965, 10580, 10595, 11638, 13156, 13754, 14996, 16445, 17930, 18745, 21190, 23276, 23309, 27508, 29095, 32890, 34385, 35860, 37490, 41239, 42380, 46618, 48737, 58190, 65780, 68770, 74980, 75647, 82478, 86227, 93236, 97474, 116380, 116545, 137540, 151294, 164956, 172454, 194948, 206195, 233090, 243685, 302588, 344908, 378235, 412390, 431135, 466180, 487370, 536107, 756470, 824780, 862270, 948497, 974740, 1072214, 1120951, 1512940, 1724540, 1896994, 2144428, 2241902, 2680535, 3793988, 4483804, 4742485, 5361070, 5604755, 9484970, 10722140, 11209510, 12330461, 18969940, 22419020, 24660922, 49321844, 61652305, 123304610, 246609220]

約数ペア:

[(1, 246609220), (2, 123304610), (4, 61652305), (5, 49321844), (10, 24660922), (11, 22419020), (13, 18969940), (20, 12330461), (22, 11209510), (23, 10722140), (26, 9484970), (44, 5604755), (46, 5361070), (52, 4742485), (55, 4483804), (65, 3793988), (92, 2680535), (110, 2241902), (115, 2144428), (130, 1896994), (143, 1724540), (163, 1512940), (220, 1120951), (230, 1072214), (253, 974740), (260, 948497), (286, 862270), (299, 824780), (326, 756470), (460, 536107), (506, 487370), (529, 466180), (572, 431135), (598, 412390), (652, 378235), (715, 344908), (815, 302588), (1012, 243685), (1058, 233090), (1196, 206195), (1265, 194948), (1430, 172454), (1495, 164956), (1630, 151294), (1793, 137540), (2116, 116545), (2119, 116380), (2530, 97474), (2645, 93236), (2860, 86227), (2990, 82478), (3260, 75647), (3289, 74980), (3586, 68770), (3749, 65780), (4238, 58190), (5060, 48737), (5290, 46618), (5819, 42380), (5980, 41239), (6578, 37490), (6877, 35860), (7172, 34385), (7498, 32890), (8476, 29095), (8965, 27508), (10580, 23309), (10595, 23276), (11638, 21190), (13156, 18745), (13754, 17930), (14996, 16445)]