1990577208

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{433}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 5319659520

約数和(自身を除く): 3329082312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 37, 62, 74, 93, 111, 124, 148, 167, 186, 222, 248, 296, 334, 372, 433, 444, 501, 668, 744, 866, 888, 1002, 1147, 1299, 1336, 1732, 2004, 2294, 2598, 3441, 3464, 4008, 4588, 5177, 5196, 6179, 6882, 9176, 10354, 10392, 12358, 13423, 13764, 15531, 16021, 18537, 20708, 24716, 26846, 27528, 31062, 32042, 37074, 40269, 41416, 48063, 49432, 53692, 62124, 64084, 72311, 74148, 80538, 96126, 107384, 124248, 128168, 144622, 148296, 161076, 191549, 192252, 216933, 289244, 322152, 383098, 384504, 433866, 496651, 574647, 578488, 766196, 867732, 993302, 1149294, 1489953, 1532392, 1735464, 1986604, 2241641, 2298588, 2675507, 2979906, 3973208, 4483282, 4597176, 5351014, 5959812, 6724923, 8026521, 8966564, 10702028, 11919624, 13449846, 16053042, 17933128, 21404056, 26899692, 32106084, 53799384, 64212168, 82940717, 165881434, 248822151, 331762868, 497644302, 663525736, 995288604, 1990577208]

約数ペア:

[(1, 1990577208), (2, 995288604), (3, 663525736), (4, 497644302), (6, 331762868), (8, 248822151), (12, 165881434), (24, 82940717), (31, 64212168), (37, 53799384), (62, 32106084), (74, 26899692), (93, 21404056), (111, 17933128), (124, 16053042), (148, 13449846), (167, 11919624), (186, 10702028), (222, 8966564), (248, 8026521), (296, 6724923), (334, 5959812), (372, 5351014), (433, 4597176), (444, 4483282), (501, 3973208), (668, 2979906), (744, 2675507), (866, 2298588), (888, 2241641), (1002, 1986604), (1147, 1735464), (1299, 1532392), (1336, 1489953), (1732, 1149294), (2004, 993302), (2294, 867732), (2598, 766196), (3441, 578488), (3464, 574647), (4008, 496651), (4588, 433866), (5177, 384504), (5196, 383098), (6179, 322152), (6882, 289244), (9176, 216933), (10354, 192252), (10392, 191549), (12358, 161076), (13423, 148296), (13764, 144622), (15531, 128168), (16021, 124248), (18537, 107384), (20708, 96126), (24716, 80538), (26846, 74148), (27528, 72311), (31062, 64084), (32042, 62124), (37074, 53692), (40269, 49432), (41416, 48063)]