15740900

素因数分解:

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

素因数の和:333

約数の個数: 72

約数和(自身を含む): 39580800

約数和(自身を除く): 23839900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 113, 140, 175, 199, 226, 350, 398, 452, 565, 700, 791, 796, 995, 1130, 1393, 1582, 1990, 2260, 2786, 2825, 3164, 3955, 3980, 4975, 5572, 5650, 6965, 7910, 9950, 11300, 13930, 15820, 19775, 19900, 22487, 27860, 34825, 39550, 44974, 69650, 79100, 89948, 112435, 139300, 157409, 224870, 314818, 449740, 562175, 629636, 787045, 1124350, 1574090, 2248700, 3148180, 3935225, 7870450, 15740900]

約数ペア:

[(1, 15740900), (2, 7870450), (4, 3935225), (5, 3148180), (7, 2248700), (10, 1574090), (14, 1124350), (20, 787045), (25, 629636), (28, 562175), (35, 449740), (50, 314818), (70, 224870), (100, 157409), (113, 139300), (140, 112435), (175, 89948), (199, 79100), (226, 69650), (350, 44974), (398, 39550), (452, 34825), (565, 27860), (700, 22487), (791, 19900), (796, 19775), (995, 15820), (1130, 13930), (1393, 11300), (1582, 9950), (1990, 7910), (2260, 6965), (2786, 5650), (2825, 5572), (3164, 4975), (3955, 3980)]