400130239496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{132491}}^1$

素因数の和:132990

約数の個数: 64

約数和(自身を含む): 821344406400

約数和(自身を除く): 421214166904

約数列:

[1, 2, 4, 8, 13, 26, 52, 71, 104, 142, 284, 409, 568, 818, 923, 1636, 1846, 3272, 3692, 5317, 7384, 10634, 21268, 29039, 42536, 58078, 116156, 132491, 232312, 264982, 377507, 529964, 755014, 1059928, 1510028, 1722383, 3020056, 3444766, 6889532, 9406861, 13779064, 18813722, 37627444, 54188819, 75254888, 108377638, 122289193, 216755276, 244578386, 433510552, 489156772, 704454647, 978313544, 1408909294, 2817818588, 3847406149, 5635637176, 7694812298, 15389624596, 30779249192, 50016279937, 100032559874, 200065119748, 400130239496]

約数ペア:

[(1, 400130239496), (2, 200065119748), (4, 100032559874), (8, 50016279937), (13, 30779249192), (26, 15389624596), (52, 7694812298), (71, 5635637176), (104, 3847406149), (142, 2817818588), (284, 1408909294), (409, 978313544), (568, 704454647), (818, 489156772), (923, 433510552), (1636, 244578386), (1846, 216755276), (3272, 122289193), (3692, 108377638), (5317, 75254888), (7384, 54188819), (10634, 37627444), (21268, 18813722), (29039, 13779064), (42536, 9406861), (58078, 6889532), (116156, 3444766), (132491, 3020056), (232312, 1722383), (264982, 1510028), (377507, 1059928), (529964, 755014)]