159916400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:272

約数の個数: 180

約数和(自身を含む): 460126800

約数和(自身を除く): 300210400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 80, 82, 98, 100, 112, 140, 164, 175, 196, 199, 200, 205, 245, 280, 287, 328, 350, 392, 398, 400, 410, 490, 560, 574, 656, 700, 784, 796, 820, 980, 995, 1025, 1148, 1225, 1393, 1400, 1435, 1592, 1640, 1960, 1990, 2009, 2050, 2296, 2450, 2786, 2800, 2870, 3184, 3280, 3920, 3980, 4018, 4100, 4592, 4900, 4975, 5572, 5740, 6965, 7175, 7960, 8036, 8159, 8200, 9751, 9800, 9950, 10045, 11144, 11480, 13930, 14350, 15920, 16072, 16318, 16400, 19502, 19600, 19900, 20090, 22288, 22960, 27860, 28700, 32144, 32636, 34825, 39004, 39800, 40180, 40795, 48755, 50225, 55720, 57113, 57400, 65272, 69650, 78008, 79600, 80360, 81590, 97510, 100450, 111440, 114226, 114800, 130544, 139300, 156016, 160720, 163180, 195020, 200900, 203975, 228452, 243775, 278600, 285565, 326360, 390040, 399791, 401800, 407950, 456904, 487550, 557200, 571130, 652720, 780080, 799582, 803600, 815900, 913808, 975100, 1142260, 1427825, 1599164, 1631800, 1950200, 1998955, 2284520, 2855650, 3198328, 3263600, 3900400, 3997910, 4569040, 5711300, 6396656, 7995820, 9994775, 11422600, 15991640, 19989550, 22845200, 31983280, 39979100, 79958200, 159916400]

約数ペア:

[(1, 159916400), (2, 79958200), (4, 39979100), (5, 31983280), (7, 22845200), (8, 19989550), (10, 15991640), (14, 11422600), (16, 9994775), (20, 7995820), (25, 6396656), (28, 5711300), (35, 4569040), (40, 3997910), (41, 3900400), (49, 3263600), (50, 3198328), (56, 2855650), (70, 2284520), (80, 1998955), (82, 1950200), (98, 1631800), (100, 1599164), (112, 1427825), (140, 1142260), (164, 975100), (175, 913808), (196, 815900), (199, 803600), (200, 799582), (205, 780080), (245, 652720), (280, 571130), (287, 557200), (328, 487550), (350, 456904), (392, 407950), (398, 401800), (400, 399791), (410, 390040), (490, 326360), (560, 285565), (574, 278600), (656, 243775), (700, 228452), (784, 203975), (796, 200900), (820, 195020), (980, 163180), (995, 160720), (1025, 156016), (1148, 139300), (1225, 130544), (1393, 114800), (1400, 114226), (1435, 111440), (1592, 100450), (1640, 97510), (1960, 81590), (1990, 80360), (2009, 79600), (2050, 78008), (2296, 69650), (2450, 65272), (2786, 57400), (2800, 57113), (2870, 55720), (3184, 50225), (3280, 48755), (3920, 40795), (3980, 40180), (4018, 39800), (4100, 39004), (4592, 34825), (4900, 32636), (4975, 32144), (5572, 28700), (5740, 27860), (6965, 22960), (7175, 22288), (7960, 20090), (8036, 19900), (8159, 19600), (8200, 19502), (9751, 16400), (9800, 16318), (9950, 16072), (10045, 15920), (11144, 14350), (11480, 13930)]