20147781290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{4919}}^1$

素因数の和:5596

約数の個数: 96

約数和(自身を含む): 45512046720

約数和(自身を除く): 25364265430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 643, 910, 1274, 1286, 3185, 3215, 4501, 4919, 6370, 6430, 8359, 9002, 9838, 16718, 22505, 24595, 31507, 34433, 41795, 45010, 49190, 58513, 63014, 63947, 68866, 83590, 117026, 127894, 157535, 172165, 241031, 292565, 315070, 319735, 344330, 409591, 447629, 482062, 585130, 639470, 819182, 895258, 1205155, 2047955, 2238145, 2410310, 3133403, 3162917, 4095910, 4476290, 6266806, 6325834, 15667015, 15814585, 22140419, 31334030, 31629170, 41117921, 44280838, 82235842, 110702095, 154982933, 205589605, 221404190, 287825447, 309965866, 411179210, 575650894, 774914665, 1439127235, 1549829330, 2014778129, 2878254470, 4029556258, 10073890645, 20147781290]

約数ペア:

[(1, 20147781290), (2, 10073890645), (5, 4029556258), (7, 2878254470), (10, 2014778129), (13, 1549829330), (14, 1439127235), (26, 774914665), (35, 575650894), (49, 411179210), (65, 309965866), (70, 287825447), (91, 221404190), (98, 205589605), (130, 154982933), (182, 110702095), (245, 82235842), (455, 44280838), (490, 41117921), (637, 31629170), (643, 31334030), (910, 22140419), (1274, 15814585), (1286, 15667015), (3185, 6325834), (3215, 6266806), (4501, 4476290), (4919, 4095910), (6370, 3162917), (6430, 3133403), (8359, 2410310), (9002, 2238145), (9838, 2047955), (16718, 1205155), (22505, 895258), (24595, 819182), (31507, 639470), (34433, 585130), (41795, 482062), (45010, 447629), (49190, 409591), (58513, 344330), (63014, 319735), (63947, 315070), (68866, 292565), (83590, 241031), (117026, 172165), (127894, 157535)]