28791000

素因数分解:

$2^3\times 3^2\times 5^3\times 7^1\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 111458880

約数和(自身を除く): 82667880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 125, 126, 140, 150, 168, 175, 180, 200, 210, 225, 250, 252, 280, 300, 315, 350, 360, 375, 420, 450, 457, 500, 504, 525, 600, 630, 700, 750, 840, 875, 900, 914, 1000, 1050, 1125, 1260, 1371, 1400, 1500, 1575, 1750, 1800, 1828, 2100, 2250, 2285, 2520, 2625, 2742, 3000, 3150, 3199, 3500, 3656, 4113, 4200, 4500, 4570, 5250, 5484, 6300, 6398, 6855, 7000, 7875, 8226, 9000, 9140, 9597, 10500, 10968, 11425, 12600, 12796, 13710, 15750, 15995, 16452, 18280, 19194, 20565, 21000, 22850, 25592, 27420, 28791, 31500, 31990, 32904, 34275, 38388, 41130, 45700, 47985, 54840, 57125, 57582, 63000, 63980, 68550, 76776, 79975, 82260, 91400, 95970, 102825, 114250, 115164, 127960, 137100, 143955, 159950, 164520, 171375, 191940, 205650, 228500, 230328, 239925, 274200, 287910, 319900, 342750, 383880, 399875, 411300, 457000, 479850, 514125, 575820, 639800, 685500, 719775, 799750, 822600, 959700, 1028250, 1151640, 1199625, 1371000, 1439550, 1599500, 1919400, 2056500, 2399250, 2879100, 3199000, 3598875, 4113000, 4798500, 5758200, 7197750, 9597000, 14395500, 28791000]

約数ペア:

[(1, 28791000), (2, 14395500), (3, 9597000), (4, 7197750), (5, 5758200), (6, 4798500), (7, 4113000), (8, 3598875), (9, 3199000), (10, 2879100), (12, 2399250), (14, 2056500), (15, 1919400), (18, 1599500), (20, 1439550), (21, 1371000), (24, 1199625), (25, 1151640), (28, 1028250), (30, 959700), (35, 822600), (36, 799750), (40, 719775), (42, 685500), (45, 639800), (50, 575820), (56, 514125), (60, 479850), (63, 457000), (70, 411300), (72, 399875), (75, 383880), (84, 342750), (90, 319900), (100, 287910), (105, 274200), (120, 239925), (125, 230328), (126, 228500), (140, 205650), (150, 191940), (168, 171375), (175, 164520), (180, 159950), (200, 143955), (210, 137100), (225, 127960), (250, 115164), (252, 114250), (280, 102825), (300, 95970), (315, 91400), (350, 82260), (360, 79975), (375, 76776), (420, 68550), (450, 63980), (457, 63000), (500, 57582), (504, 57125), (525, 54840), (600, 47985), (630, 45700), (700, 41130), (750, 38388), (840, 34275), (875, 32904), (900, 31990), (914, 31500), (1000, 28791), (1050, 27420), (1125, 25592), (1260, 22850), (1371, 21000), (1400, 20565), (1500, 19194), (1575, 18280), (1750, 16452), (1800, 15995), (1828, 15750), (2100, 13710), (2250, 12796), (2285, 12600), (2520, 11425), (2625, 10968), (2742, 10500), (3000, 9597), (3150, 9140), (3199, 9000), (3500, 8226), (3656, 7875), (4113, 7000), (4200, 6855), (4500, 6398), (4570, 6300), (5250, 5484)]