1855369740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1973}}^1\times {\mathrm{2239}}^1$

素因数の和:4231

約数の個数: 96

約数和(自身を含む): 5942845440

約数和(自身を除く): 4087475700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1973, 2239, 3946, 4478, 5919, 6717, 7892, 8956, 9865, 11195, 11838, 13434, 13811, 15673, 19730, 22390, 23676, 26868, 27622, 29595, 31346, 33585, 39460, 41433, 44780, 47019, 55244, 59190, 62692, 67170, 69055, 78365, 82866, 94038, 118380, 134340, 138110, 156730, 165732, 188076, 207165, 235095, 276220, 313460, 414330, 470190, 828660, 940380, 4417547, 8835094, 13252641, 17670188, 22087735, 26505282, 30922829, 44175470, 53010564, 61845658, 66263205, 88350940, 92768487, 123691316, 132526410, 154614145, 185536974, 265052820, 309228290, 371073948, 463842435, 618456580, 927684870, 1855369740]

約数ペア:

[(1, 1855369740), (2, 927684870), (3, 618456580), (4, 463842435), (5, 371073948), (6, 309228290), (7, 265052820), (10, 185536974), (12, 154614145), (14, 132526410), (15, 123691316), (20, 92768487), (21, 88350940), (28, 66263205), (30, 61845658), (35, 53010564), (42, 44175470), (60, 30922829), (70, 26505282), (84, 22087735), (105, 17670188), (140, 13252641), (210, 8835094), (420, 4417547), (1973, 940380), (2239, 828660), (3946, 470190), (4478, 414330), (5919, 313460), (6717, 276220), (7892, 235095), (8956, 207165), (9865, 188076), (11195, 165732), (11838, 156730), (13434, 138110), (13811, 134340), (15673, 118380), (19730, 94038), (22390, 82866), (23676, 78365), (26868, 69055), (27622, 67170), (29595, 62692), (31346, 59190), (33585, 55244), (39460, 47019), (41433, 44780)]