17746820

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 47040000

約数和(自身を除く): 29293180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 199, 245, 260, 343, 364, 398, 455, 490, 637, 686, 796, 910, 980, 995, 1274, 1372, 1393, 1715, 1820, 1990, 2548, 2587, 2786, 3185, 3430, 3980, 4459, 5174, 5572, 6370, 6860, 6965, 8918, 9751, 10348, 12740, 12935, 13930, 17836, 18109, 19502, 22295, 25870, 27860, 36218, 39004, 44590, 48755, 51740, 68257, 72436, 89180, 90545, 97510, 126763, 136514, 181090, 195020, 253526, 273028, 341285, 362180, 507052, 633815, 682570, 887341, 1267630, 1365140, 1774682, 2535260, 3549364, 4436705, 8873410, 17746820]

約数ペア:

[(1, 17746820), (2, 8873410), (4, 4436705), (5, 3549364), (7, 2535260), (10, 1774682), (13, 1365140), (14, 1267630), (20, 887341), (26, 682570), (28, 633815), (35, 507052), (49, 362180), (52, 341285), (65, 273028), (70, 253526), (91, 195020), (98, 181090), (130, 136514), (140, 126763), (182, 97510), (196, 90545), (199, 89180), (245, 72436), (260, 68257), (343, 51740), (364, 48755), (398, 44590), (455, 39004), (490, 36218), (637, 27860), (686, 25870), (796, 22295), (910, 19502), (980, 18109), (995, 17836), (1274, 13930), (1372, 12935), (1393, 12740), (1715, 10348), (1820, 9751), (1990, 8918), (2548, 6965), (2587, 6860), (2786, 6370), (3185, 5572), (3430, 5174), (3980, 4459)]