2149380680

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1\times {\mathrm{457}}^1$

素因数の和:1158

約数の個数: 64

約数和(自身を含む): 4875171840

約数和(自身を除く): 2725791160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 383, 457, 614, 766, 914, 1228, 1532, 1535, 1828, 1915, 2285, 2456, 3064, 3070, 3656, 3830, 4570, 6140, 7660, 9140, 12280, 15320, 18280, 117581, 140299, 175031, 235162, 280598, 350062, 470324, 561196, 587905, 700124, 701495, 875155, 940648, 1122392, 1175810, 1400248, 1402990, 1750310, 2351620, 2805980, 3500620, 4703240, 5611960, 7001240, 53734517, 107469034, 214938068, 268672585, 429876136, 537345170, 1074690340, 2149380680]

約数ペア:

[(1, 2149380680), (2, 1074690340), (4, 537345170), (5, 429876136), (8, 268672585), (10, 214938068), (20, 107469034), (40, 53734517), (307, 7001240), (383, 5611960), (457, 4703240), (614, 3500620), (766, 2805980), (914, 2351620), (1228, 1750310), (1532, 1402990), (1535, 1400248), (1828, 1175810), (1915, 1122392), (2285, 940648), (2456, 875155), (3064, 701495), (3070, 700124), (3656, 587905), (3830, 561196), (4570, 470324), (6140, 350062), (7660, 280598), (9140, 235162), (12280, 175031), (15320, 140299), (18280, 117581)]