191352420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8034

約数の個数: 144

約数和(自身を含む): 698355840

約数和(自身を除く): 507003420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 7993, 11970, 15986, 23940, 23979, 31972, 39965, 47958, 55951, 71937, 79930, 95916, 111902, 119895, 143874, 151867, 159860, 167853, 223804, 239790, 279755, 287748, 303734, 335706, 359685, 455601, 479580, 503559, 559510, 607468, 671412, 719370, 759335, 839265, 911202, 1007118, 1063069, 1119020, 1366803, 1438740, 1518670, 1678530, 1822404, 2014236, 2126138, 2278005, 2517795, 2733606, 3037340, 3189207, 3357060, 4252276, 4556010, 5035590, 5315345, 5467212, 6378414, 6834015, 9112020, 9567621, 10071180, 10630690, 12756828, 13668030, 15946035, 19135242, 21261380, 27336060, 31892070, 38270484, 47838105, 63784140, 95676210, 191352420]

約数ペア:

[(1, 191352420), (2, 95676210), (3, 63784140), (4, 47838105), (5, 38270484), (6, 31892070), (7, 27336060), (9, 21261380), (10, 19135242), (12, 15946035), (14, 13668030), (15, 12756828), (18, 10630690), (19, 10071180), (20, 9567621), (21, 9112020), (28, 6834015), (30, 6378414), (35, 5467212), (36, 5315345), (38, 5035590), (42, 4556010), (45, 4252276), (57, 3357060), (60, 3189207), (63, 3037340), (70, 2733606), (76, 2517795), (84, 2278005), (90, 2126138), (95, 2014236), (105, 1822404), (114, 1678530), (126, 1518670), (133, 1438740), (140, 1366803), (171, 1119020), (180, 1063069), (190, 1007118), (210, 911202), (228, 839265), (252, 759335), (266, 719370), (285, 671412), (315, 607468), (342, 559510), (380, 503559), (399, 479580), (420, 455601), (532, 359685), (570, 335706), (630, 303734), (665, 287748), (684, 279755), (798, 239790), (855, 223804), (1140, 167853), (1197, 159860), (1260, 151867), (1330, 143874), (1596, 119895), (1710, 111902), (1995, 95916), (2394, 79930), (2660, 71937), (3420, 55951), (3990, 47958), (4788, 39965), (5985, 31972), (7980, 23979), (7993, 23940), (11970, 15986)]