12394460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 29821680

約数和(自身を除く): 17427220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 193, 247, 260, 338, 380, 386, 494, 676, 772, 845, 965, 988, 1235, 1690, 1930, 2470, 2509, 3211, 3380, 3667, 3860, 4940, 5018, 6422, 7334, 10036, 12545, 12844, 14668, 16055, 18335, 25090, 32110, 32617, 36670, 47671, 50180, 64220, 65234, 73340, 95342, 130468, 163085, 190684, 238355, 326170, 476710, 619723, 652340, 953420, 1239446, 2478892, 3098615, 6197230, 12394460]

約数ペア:

[(1, 12394460), (2, 6197230), (4, 3098615), (5, 2478892), (10, 1239446), (13, 953420), (19, 652340), (20, 619723), (26, 476710), (38, 326170), (52, 238355), (65, 190684), (76, 163085), (95, 130468), (130, 95342), (169, 73340), (190, 65234), (193, 64220), (247, 50180), (260, 47671), (338, 36670), (380, 32617), (386, 32110), (494, 25090), (676, 18335), (772, 16055), (845, 14668), (965, 12844), (988, 12545), (1235, 10036), (1690, 7334), (1930, 6422), (2470, 5018), (2509, 4940), (3211, 3860), (3380, 3667)]