2728930180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{9649}}^1$

素因数の和:9916

約数の個数: 48

約数和(自身を含む): 5836320000

約数和(自身を除く): 3107389820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 179, 316, 358, 395, 716, 790, 895, 1580, 1790, 3580, 9649, 14141, 19298, 28282, 38596, 48245, 56564, 70705, 96490, 141410, 192980, 282820, 762271, 1524542, 1727171, 3049084, 3454342, 3811355, 6908684, 7622710, 8635855, 15245420, 17271710, 34543420, 136446509, 272893018, 545786036, 682232545, 1364465090, 2728930180]

約数ペア:

[(1, 2728930180), (2, 1364465090), (4, 682232545), (5, 545786036), (10, 272893018), (20, 136446509), (79, 34543420), (158, 17271710), (179, 15245420), (316, 8635855), (358, 7622710), (395, 6908684), (716, 3811355), (790, 3454342), (895, 3049084), (1580, 1727171), (1790, 1524542), (3580, 762271), (9649, 282820), (14141, 192980), (19298, 141410), (28282, 96490), (38596, 70705), (48245, 56564)]