289405760

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{18457}}^1$

素因数の和:18488

約数の個数: 84

約数和(自身を含む): 801704772

約数和(自身を除く): 512299012

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 15680, 18457, 36914, 73828, 92285, 129199, 147656, 184570, 258398, 295312, 369140, 516796, 590624, 645995, 738280, 904393, 1033592, 1181248, 1291990, 1476560, 1808786, 2067184, 2583980, 2953120, 3617572, 4134368, 4521965, 5167960, 5906240, 7235144, 8268736, 9043930, 10335920, 14470288, 18087860, 20671840, 28940576, 36175720, 41343680, 57881152, 72351440, 144702880, 289405760]

約数ペア:

[(1, 289405760), (2, 144702880), (4, 72351440), (5, 57881152), (7, 41343680), (8, 36175720), (10, 28940576), (14, 20671840), (16, 18087860), (20, 14470288), (28, 10335920), (32, 9043930), (35, 8268736), (40, 7235144), (49, 5906240), (56, 5167960), (64, 4521965), (70, 4134368), (80, 3617572), (98, 2953120), (112, 2583980), (140, 2067184), (160, 1808786), (196, 1476560), (224, 1291990), (245, 1181248), (280, 1033592), (320, 904393), (392, 738280), (448, 645995), (490, 590624), (560, 516796), (784, 369140), (980, 295312), (1120, 258398), (1568, 184570), (1960, 147656), (2240, 129199), (3136, 92285), (3920, 73828), (7840, 36914), (15680, 18457)]