206890970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1151

約数の個数: 64

約数和(自身を含む): 440899200

約数和(自身を除く): 234008230

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 149, 286, 298, 715, 745, 971, 1430, 1490, 1639, 1937, 1942, 3278, 3874, 4855, 8195, 9685, 9710, 10681, 12623, 16390, 19370, 21307, 21362, 25246, 42614, 53405, 63115, 106535, 106810, 126230, 138853, 144679, 213070, 277706, 289358, 694265, 723395, 1388530, 1446790, 1591469, 1880827, 3182938, 3761654, 7957345, 9404135, 15914690, 18808270, 20689097, 41378194, 103445485, 206890970]

約数ペア:

[(1, 206890970), (2, 103445485), (5, 41378194), (10, 20689097), (11, 18808270), (13, 15914690), (22, 9404135), (26, 7957345), (55, 3761654), (65, 3182938), (110, 1880827), (130, 1591469), (143, 1446790), (149, 1388530), (286, 723395), (298, 694265), (715, 289358), (745, 277706), (971, 213070), (1430, 144679), (1490, 138853), (1639, 126230), (1937, 106810), (1942, 106535), (3278, 63115), (3874, 53405), (4855, 42614), (8195, 25246), (9685, 21362), (9710, 21307), (10681, 19370), (12623, 16390)]