28303800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 104993280

約数和(自身を除く): 76689480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 50, 56, 60, 69, 70, 75, 84, 92, 100, 105, 115, 120, 138, 140, 150, 161, 168, 175, 184, 200, 210, 230, 276, 280, 293, 300, 322, 345, 350, 420, 460, 483, 525, 552, 575, 586, 600, 644, 690, 700, 805, 840, 879, 920, 966, 1050, 1150, 1172, 1288, 1380, 1400, 1465, 1610, 1725, 1758, 1932, 2051, 2100, 2300, 2344, 2415, 2760, 2930, 3220, 3450, 3516, 3864, 4025, 4102, 4200, 4395, 4600, 4830, 5860, 6153, 6440, 6739, 6900, 7032, 7325, 8050, 8204, 8790, 9660, 10255, 11720, 12075, 12306, 13478, 13800, 14650, 16100, 16408, 17580, 19320, 20217, 20510, 21975, 24150, 24612, 26956, 29300, 30765, 32200, 33695, 35160, 40434, 41020, 43950, 47173, 48300, 49224, 51275, 53912, 58600, 61530, 67390, 80868, 82040, 87900, 94346, 96600, 101085, 102550, 123060, 134780, 141519, 153825, 161736, 168475, 175800, 188692, 202170, 205100, 235865, 246120, 269560, 283038, 307650, 336950, 377384, 404340, 410200, 471730, 505425, 566076, 615300, 673900, 707595, 808680, 943460, 1010850, 1132152, 1179325, 1230600, 1347800, 1415190, 1886920, 2021700, 2358650, 2830380, 3537975, 4043400, 4717300, 5660760, 7075950, 9434600, 14151900, 28303800]

約数ペア:

[(1, 28303800), (2, 14151900), (3, 9434600), (4, 7075950), (5, 5660760), (6, 4717300), (7, 4043400), (8, 3537975), (10, 2830380), (12, 2358650), (14, 2021700), (15, 1886920), (20, 1415190), (21, 1347800), (23, 1230600), (24, 1179325), (25, 1132152), (28, 1010850), (30, 943460), (35, 808680), (40, 707595), (42, 673900), (46, 615300), (50, 566076), (56, 505425), (60, 471730), (69, 410200), (70, 404340), (75, 377384), (84, 336950), (92, 307650), (100, 283038), (105, 269560), (115, 246120), (120, 235865), (138, 205100), (140, 202170), (150, 188692), (161, 175800), (168, 168475), (175, 161736), (184, 153825), (200, 141519), (210, 134780), (230, 123060), (276, 102550), (280, 101085), (293, 96600), (300, 94346), (322, 87900), (345, 82040), (350, 80868), (420, 67390), (460, 61530), (483, 58600), (525, 53912), (552, 51275), (575, 49224), (586, 48300), (600, 47173), (644, 43950), (690, 41020), (700, 40434), (805, 35160), (840, 33695), (879, 32200), (920, 30765), (966, 29300), (1050, 26956), (1150, 24612), (1172, 24150), (1288, 21975), (1380, 20510), (1400, 20217), (1465, 19320), (1610, 17580), (1725, 16408), (1758, 16100), (1932, 14650), (2051, 13800), (2100, 13478), (2300, 12306), (2344, 12075), (2415, 11720), (2760, 10255), (2930, 9660), (3220, 8790), (3450, 8204), (3516, 8050), (3864, 7325), (4025, 7032), (4102, 6900), (4200, 6739), (4395, 6440), (4600, 6153), (4830, 5860)]