31481800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 96

約数和(自身を含む): 84816000

約数和(自身を除く): 53334200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 113, 140, 175, 199, 200, 226, 280, 350, 398, 452, 565, 700, 791, 796, 904, 995, 1130, 1393, 1400, 1582, 1592, 1990, 2260, 2786, 2825, 3164, 3955, 3980, 4520, 4975, 5572, 5650, 6328, 6965, 7910, 7960, 9950, 11144, 11300, 13930, 15820, 19775, 19900, 22487, 22600, 27860, 31640, 34825, 39550, 39800, 44974, 55720, 69650, 79100, 89948, 112435, 139300, 157409, 158200, 179896, 224870, 278600, 314818, 449740, 562175, 629636, 787045, 899480, 1124350, 1259272, 1574090, 2248700, 3148180, 3935225, 4497400, 6296360, 7870450, 15740900, 31481800]

約数ペア:

[(1, 31481800), (2, 15740900), (4, 7870450), (5, 6296360), (7, 4497400), (8, 3935225), (10, 3148180), (14, 2248700), (20, 1574090), (25, 1259272), (28, 1124350), (35, 899480), (40, 787045), (50, 629636), (56, 562175), (70, 449740), (100, 314818), (113, 278600), (140, 224870), (175, 179896), (199, 158200), (200, 157409), (226, 139300), (280, 112435), (350, 89948), (398, 79100), (452, 69650), (565, 55720), (700, 44974), (791, 39800), (796, 39550), (904, 34825), (995, 31640), (1130, 27860), (1393, 22600), (1400, 22487), (1582, 19900), (1592, 19775), (1990, 15820), (2260, 13930), (2786, 11300), (2825, 11144), (3164, 9950), (3955, 7960), (3980, 7910), (4520, 6965), (4975, 6328), (5572, 5650)]