2016297860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:873

約数の個数: 96

約数和(自身を含む): 4572288000

約数和(自身を除く): 2555990140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 139, 190, 236, 278, 295, 380, 556, 590, 647, 695, 1121, 1180, 1294, 1390, 2242, 2588, 2641, 2780, 3235, 4484, 5282, 5605, 6470, 8201, 10564, 11210, 12293, 12940, 13205, 16402, 22420, 24586, 26410, 32804, 38173, 41005, 49172, 52820, 61465, 76346, 82010, 89933, 122930, 152692, 155819, 164020, 179866, 190865, 245860, 311638, 359732, 381730, 449665, 623276, 725287, 763460, 779095, 899330, 1450574, 1558190, 1708727, 1798660, 2901148, 3116380, 3417454, 3626435, 5306047, 6834908, 7252870, 8543635, 10612094, 14505740, 17087270, 21224188, 26530235, 34174540, 53060470, 100814893, 106120940, 201629786, 403259572, 504074465, 1008148930, 2016297860]

約数ペア:

[(1, 2016297860), (2, 1008148930), (4, 504074465), (5, 403259572), (10, 201629786), (19, 106120940), (20, 100814893), (38, 53060470), (59, 34174540), (76, 26530235), (95, 21224188), (118, 17087270), (139, 14505740), (190, 10612094), (236, 8543635), (278, 7252870), (295, 6834908), (380, 5306047), (556, 3626435), (590, 3417454), (647, 3116380), (695, 2901148), (1121, 1798660), (1180, 1708727), (1294, 1558190), (1390, 1450574), (2242, 899330), (2588, 779095), (2641, 763460), (2780, 725287), (3235, 623276), (4484, 449665), (5282, 381730), (5605, 359732), (6470, 311638), (8201, 245860), (10564, 190865), (11210, 179866), (12293, 164020), (12940, 155819), (13205, 152692), (16402, 122930), (22420, 89933), (24586, 82010), (26410, 76346), (32804, 61465), (38173, 52820), (41005, 49172)]