2045642788

素因数分解:

$2^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 4223016000

約数和(自身を除く): 2177373212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 196, 199, 293, 358, 398, 586, 716, 796, 1172, 1253, 1393, 2051, 2506, 2786, 4102, 5012, 5572, 8204, 8771, 9751, 14357, 17542, 19502, 28714, 35084, 35621, 39004, 52447, 57428, 58307, 71242, 104894, 116614, 142484, 209788, 233228, 249347, 367129, 408149, 498694, 734258, 816298, 997388, 1468516, 1632596, 1745429, 2569903, 2857043, 3490858, 5139806, 5714086, 6981716, 10279612, 10436953, 11428172, 20873906, 41747812, 73058671, 146117342, 292234684, 511410697, 1022821394, 2045642788]

約数ペア:

[(1, 2045642788), (2, 1022821394), (4, 511410697), (7, 292234684), (14, 146117342), (28, 73058671), (49, 41747812), (98, 20873906), (179, 11428172), (196, 10436953), (199, 10279612), (293, 6981716), (358, 5714086), (398, 5139806), (586, 3490858), (716, 2857043), (796, 2569903), (1172, 1745429), (1253, 1632596), (1393, 1468516), (2051, 997388), (2506, 816298), (2786, 734258), (4102, 498694), (5012, 408149), (5572, 367129), (8204, 249347), (8771, 233228), (9751, 209788), (14357, 142484), (17542, 116614), (19502, 104894), (28714, 71242), (35084, 58307), (35621, 57428), (39004, 52447)]