201391640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1373}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 479800800

約数和(自身を除く): 278409160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 193, 380, 386, 760, 772, 965, 1373, 1544, 1930, 2746, 3667, 3860, 5492, 6865, 7334, 7720, 10984, 13730, 14668, 18335, 26087, 27460, 29336, 36670, 52174, 54920, 73340, 104348, 130435, 146680, 208696, 260870, 264989, 521740, 529978, 1043480, 1059956, 1324945, 2119912, 2649890, 5034791, 5299780, 10069582, 10599560, 20139164, 25173955, 40278328, 50347910, 100695820, 201391640]

約数ペア:

[(1, 201391640), (2, 100695820), (4, 50347910), (5, 40278328), (8, 25173955), (10, 20139164), (19, 10599560), (20, 10069582), (38, 5299780), (40, 5034791), (76, 2649890), (95, 2119912), (152, 1324945), (190, 1059956), (193, 1043480), (380, 529978), (386, 521740), (760, 264989), (772, 260870), (965, 208696), (1373, 146680), (1544, 130435), (1930, 104348), (2746, 73340), (3667, 54920), (3860, 52174), (5492, 36670), (6865, 29336), (7334, 27460), (7720, 26087), (10984, 18335), (13730, 14668)]