28211400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{2239}}^1$

素因数の和:2268

約数の個数: 144

約数和(自身を含む): 108326400

約数和(自身を除く): 80115000

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, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1575, 1800, 2100, 2239, 2520, 3150, 4200, 4478, 6300, 6717, 8956, 11195, 12600, 13434, 15673, 17912, 20151, 22390, 26868, 31346, 33585, 40302, 44780, 47019, 53736, 55975, 62692, 67170, 78365, 80604, 89560, 94038, 100755, 111950, 125384, 134340, 141057, 156730, 161208, 167925, 188076, 201510, 223900, 235095, 268680, 282114, 313460, 335850, 376152, 391825, 403020, 447800, 470190, 503775, 564228, 626920, 671700, 705285, 783650, 806040, 940380, 1007550, 1128456, 1175475, 1343400, 1410570, 1567300, 1880760, 2015100, 2350950, 2821140, 3134600, 3526425, 4030200, 4701900, 5642280, 7052850, 9403800, 14105700, 28211400]

約数ペア:

[(1, 28211400), (2, 14105700), (3, 9403800), (4, 7052850), (5, 5642280), (6, 4701900), (7, 4030200), (8, 3526425), (9, 3134600), (10, 2821140), (12, 2350950), (14, 2015100), (15, 1880760), (18, 1567300), (20, 1410570), (21, 1343400), (24, 1175475), (25, 1128456), (28, 1007550), (30, 940380), (35, 806040), (36, 783650), (40, 705285), (42, 671700), (45, 626920), (50, 564228), (56, 503775), (60, 470190), (63, 447800), (70, 403020), (72, 391825), (75, 376152), (84, 335850), (90, 313460), (100, 282114), (105, 268680), (120, 235095), (126, 223900), (140, 201510), (150, 188076), (168, 167925), (175, 161208), (180, 156730), (200, 141057), (210, 134340), (225, 125384), (252, 111950), (280, 100755), (300, 94038), (315, 89560), (350, 80604), (360, 78365), (420, 67170), (450, 62692), (504, 55975), (525, 53736), (600, 47019), (630, 44780), (700, 40302), (840, 33585), (900, 31346), (1050, 26868), (1260, 22390), (1400, 20151), (1575, 17912), (1800, 15673), (2100, 13434), (2239, 12600), (2520, 11195), (3150, 8956), (4200, 6717), (4478, 6300)]