2000562820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:857

約数の個数: 96

約数和(自身を含む): 4528742400

約数和(自身を除く): 2528179580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 103, 158, 190, 206, 316, 380, 395, 412, 515, 647, 790, 1030, 1294, 1501, 1580, 1957, 2060, 2588, 3002, 3235, 3914, 6004, 6470, 7505, 7828, 8137, 9785, 12293, 12940, 15010, 16274, 19570, 24586, 30020, 32548, 39140, 40685, 49172, 51113, 61465, 66641, 81370, 102226, 122930, 133282, 154603, 162740, 204452, 245860, 255565, 266564, 309206, 333205, 511130, 618412, 666410, 773015, 971147, 1022260, 1266179, 1332820, 1546030, 1942294, 2532358, 3092060, 3884588, 4855735, 5064716, 5264639, 6330895, 9711470, 10529278, 12661790, 19422940, 21058556, 25323580, 26323195, 52646390, 100028141, 105292780, 200056282, 400112564, 500140705, 1000281410, 2000562820]

約数ペア:

[(1, 2000562820), (2, 1000281410), (4, 500140705), (5, 400112564), (10, 200056282), (19, 105292780), (20, 100028141), (38, 52646390), (76, 26323195), (79, 25323580), (95, 21058556), (103, 19422940), (158, 12661790), (190, 10529278), (206, 9711470), (316, 6330895), (380, 5264639), (395, 5064716), (412, 4855735), (515, 3884588), (647, 3092060), (790, 2532358), (1030, 1942294), (1294, 1546030), (1501, 1332820), (1580, 1266179), (1957, 1022260), (2060, 971147), (2588, 773015), (3002, 666410), (3235, 618412), (3914, 511130), (6004, 333205), (6470, 309206), (7505, 266564), (7828, 255565), (8137, 245860), (9785, 204452), (12293, 162740), (12940, 154603), (15010, 133282), (16274, 122930), (19570, 102226), (24586, 81370), (30020, 66641), (32548, 61465), (39140, 51113), (40685, 49172)]