209883310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 128

約数和(自身を含む): 499968000

約数和(自身を除く): 290084690

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 61, 65, 70, 91, 95, 122, 130, 133, 182, 190, 199, 247, 266, 305, 398, 427, 455, 494, 610, 665, 793, 854, 910, 995, 1159, 1235, 1330, 1393, 1586, 1729, 1990, 2135, 2318, 2470, 2587, 2786, 3458, 3781, 3965, 4270, 5174, 5551, 5795, 6965, 7562, 7930, 8113, 8645, 11102, 11590, 12139, 12935, 13930, 15067, 16226, 17290, 18109, 18905, 24278, 25870, 26467, 27755, 30134, 36218, 37810, 40565, 49153, 52934, 55510, 60695, 75335, 81130, 84973, 90545, 98306, 105469, 121390, 132335, 150670, 157807, 169946, 181090, 210938, 230641, 245765, 264670, 315614, 344071, 424865, 461282, 491530, 527345, 688142, 789035, 849730, 1054690, 1104649, 1153205, 1578070, 1614487, 1720355, 2209298, 2306410, 2998333, 3228974, 3440710, 5523245, 5996666, 8072435, 11046490, 14991665, 16144870, 20988331, 29983330, 41976662, 104941655, 209883310]

約数ペア:

[(1, 209883310), (2, 104941655), (5, 41976662), (7, 29983330), (10, 20988331), (13, 16144870), (14, 14991665), (19, 11046490), (26, 8072435), (35, 5996666), (38, 5523245), (61, 3440710), (65, 3228974), (70, 2998333), (91, 2306410), (95, 2209298), (122, 1720355), (130, 1614487), (133, 1578070), (182, 1153205), (190, 1104649), (199, 1054690), (247, 849730), (266, 789035), (305, 688142), (398, 527345), (427, 491530), (455, 461282), (494, 424865), (610, 344071), (665, 315614), (793, 264670), (854, 245765), (910, 230641), (995, 210938), (1159, 181090), (1235, 169946), (1330, 157807), (1393, 150670), (1586, 132335), (1729, 121390), (1990, 105469), (2135, 98306), (2318, 90545), (2470, 84973), (2587, 81130), (2786, 75335), (3458, 60695), (3781, 55510), (3965, 52934), (4270, 49153), (5174, 40565), (5551, 37810), (5795, 36218), (6965, 30134), (7562, 27755), (7930, 26467), (8113, 25870), (8645, 24278), (11102, 18905), (11590, 18109), (12139, 17290), (12935, 16226), (13930, 15067)]