207618520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 475891200

約数和(自身を除く): 268272680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 179, 214, 271, 358, 428, 535, 542, 716, 856, 895, 1070, 1084, 1355, 1432, 1790, 2140, 2168, 2710, 3580, 4280, 5420, 7160, 10840, 19153, 28997, 38306, 48509, 57994, 76612, 95765, 97018, 115988, 144985, 153224, 191530, 194036, 231976, 242545, 289970, 383060, 388072, 485090, 579940, 766120, 970180, 1159880, 1940360, 5190463, 10380926, 20761852, 25952315, 41523704, 51904630, 103809260, 207618520]

約数ペア:

[(1, 207618520), (2, 103809260), (4, 51904630), (5, 41523704), (8, 25952315), (10, 20761852), (20, 10380926), (40, 5190463), (107, 1940360), (179, 1159880), (214, 970180), (271, 766120), (358, 579940), (428, 485090), (535, 388072), (542, 383060), (716, 289970), (856, 242545), (895, 231976), (1070, 194036), (1084, 191530), (1355, 153224), (1432, 144985), (1790, 115988), (2140, 97018), (2168, 95765), (2710, 76612), (3580, 57994), (4280, 48509), (5420, 38306), (7160, 28997), (10840, 19153)]