216181420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{9137}}^1$

素因数の和:9179

約数の個数: 72

約数和(自身を含む): 561877344

約数和(自身を除く): 345695924

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 910, 1183, 1690, 1820, 2366, 3380, 4732, 5915, 9137, 11830, 18274, 23660, 36548, 45685, 63959, 91370, 118781, 127918, 182740, 237562, 255836, 319795, 475124, 593905, 639590, 831467, 1187810, 1279180, 1544153, 1662934, 2375620, 3088306, 3325868, 4157335, 6176612, 7720765, 8314670, 10809071, 15441530, 16629340, 21618142, 30883060, 43236284, 54045355, 108090710, 216181420]

約数ペア:

[(1, 216181420), (2, 108090710), (4, 54045355), (5, 43236284), (7, 30883060), (10, 21618142), (13, 16629340), (14, 15441530), (20, 10809071), (26, 8314670), (28, 7720765), (35, 6176612), (52, 4157335), (65, 3325868), (70, 3088306), (91, 2375620), (130, 1662934), (140, 1544153), (169, 1279180), (182, 1187810), (260, 831467), (338, 639590), (364, 593905), (455, 475124), (676, 319795), (845, 255836), (910, 237562), (1183, 182740), (1690, 127918), (1820, 118781), (2366, 91370), (3380, 63959), (4732, 45685), (5915, 36548), (9137, 23660), (11830, 18274)]