490645896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 128

約数和(自身を含む): 1378339200

約数和(自身を除く): 887693304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 211, 232, 257, 312, 348, 377, 422, 514, 633, 696, 754, 771, 844, 1028, 1131, 1266, 1508, 1542, 1688, 2056, 2262, 2532, 2743, 3016, 3084, 3341, 4524, 5064, 5486, 6119, 6168, 6682, 7453, 8229, 9048, 10023, 10972, 12238, 13364, 14906, 16458, 18357, 20046, 21944, 22359, 24476, 26728, 29812, 32916, 36714, 40092, 44718, 48952, 54227, 59624, 65832, 73428, 79547, 80184, 89436, 96889, 108454, 146856, 159094, 162681, 178872, 193778, 216908, 238641, 290667, 318188, 325362, 387556, 433816, 477282, 581334, 636376, 650724, 704951, 775112, 954564, 1162668, 1301448, 1409902, 1572583, 1909128, 2114853, 2325336, 2819804, 3145166, 4229706, 4717749, 5639608, 6290332, 8459412, 9435498, 12580664, 16918824, 18870996, 20443579, 37741992, 40887158, 61330737, 81774316, 122661474, 163548632, 245322948, 490645896]

約数ペア:

[(1, 490645896), (2, 245322948), (3, 163548632), (4, 122661474), (6, 81774316), (8, 61330737), (12, 40887158), (13, 37741992), (24, 20443579), (26, 18870996), (29, 16918824), (39, 12580664), (52, 9435498), (58, 8459412), (78, 6290332), (87, 5639608), (104, 4717749), (116, 4229706), (156, 3145166), (174, 2819804), (211, 2325336), (232, 2114853), (257, 1909128), (312, 1572583), (348, 1409902), (377, 1301448), (422, 1162668), (514, 954564), (633, 775112), (696, 704951), (754, 650724), (771, 636376), (844, 581334), (1028, 477282), (1131, 433816), (1266, 387556), (1508, 325362), (1542, 318188), (1688, 290667), (2056, 238641), (2262, 216908), (2532, 193778), (2743, 178872), (3016, 162681), (3084, 159094), (3341, 146856), (4524, 108454), (5064, 96889), (5486, 89436), (6119, 80184), (6168, 79547), (6682, 73428), (7453, 65832), (8229, 59624), (9048, 54227), (10023, 48952), (10972, 44718), (12238, 40092), (13364, 36714), (14906, 32916), (16458, 29812), (18357, 26728), (20046, 24476), (21944, 22359)]