1390249980

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{122597}}^1$

素因数の和:122625

約数の個数: 120

約数和(自身を含む): 4984344288

約数和(自身を除く): 3594094308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 5670, 11340, 122597, 245194, 367791, 490388, 612985, 735582, 858179, 1103373, 1225970, 1471164, 1716358, 1838955, 2206746, 2451940, 2574537, 3310119, 3432716, 3677910, 4290895, 4413492, 5149074, 5516865, 6620238, 7355820, 7723611, 8581790, 9930357, 10298148, 11033730, 12872685, 13240476, 15447222, 16550595, 17163580, 19860714, 22067460, 23170833, 25745370, 30894444, 33101190, 38618055, 39721428, 46341666, 49651785, 51490740, 66202380, 69512499, 77236110, 92683332, 99303570, 115854165, 139024998, 154472220, 198607140, 231708330, 278049996, 347562495, 463416660, 695124990, 1390249980]

約数ペア:

[(1, 1390249980), (2, 695124990), (3, 463416660), (4, 347562495), (5, 278049996), (6, 231708330), (7, 198607140), (9, 154472220), (10, 139024998), (12, 115854165), (14, 99303570), (15, 92683332), (18, 77236110), (20, 69512499), (21, 66202380), (27, 51490740), (28, 49651785), (30, 46341666), (35, 39721428), (36, 38618055), (42, 33101190), (45, 30894444), (54, 25745370), (60, 23170833), (63, 22067460), (70, 19860714), (81, 17163580), (84, 16550595), (90, 15447222), (105, 13240476), (108, 12872685), (126, 11033730), (135, 10298148), (140, 9930357), (162, 8581790), (180, 7723611), (189, 7355820), (210, 6620238), (252, 5516865), (270, 5149074), (315, 4413492), (324, 4290895), (378, 3677910), (405, 3432716), (420, 3310119), (540, 2574537), (567, 2451940), (630, 2206746), (756, 1838955), (810, 1716358), (945, 1471164), (1134, 1225970), (1260, 1103373), (1620, 858179), (1890, 735582), (2268, 612985), (2835, 490388), (3780, 367791), (5670, 245194), (11340, 122597)]