389497920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:565

約数の個数: 224

約数和(自身を含む): 1426464000

約数和(自身を除く): 1036966080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 149, 160, 168, 192, 210, 224, 240, 280, 298, 320, 336, 389, 420, 447, 448, 480, 560, 596, 672, 745, 778, 840, 894, 960, 1043, 1120, 1167, 1192, 1344, 1490, 1556, 1680, 1788, 1945, 2086, 2235, 2240, 2334, 2384, 2723, 2980, 3112, 3129, 3360, 3576, 3890, 4172, 4470, 4668, 4768, 5215, 5446, 5835, 5960, 6224, 6258, 6720, 7152, 7780, 8169, 8344, 8940, 9336, 9536, 10430, 10892, 11670, 11920, 12448, 12516, 13615, 14304, 15560, 15645, 16338, 16688, 17880, 18672, 20860, 21784, 23340, 23840, 24896, 25032, 27230, 28608, 31120, 31290, 32676, 33376, 35760, 37344, 40845, 41720, 43568, 46680, 47680, 50064, 54460, 57961, 62240, 62580, 65352, 66752, 71520, 74688, 81690, 83440, 87136, 93360, 100128, 108920, 115922, 124480, 125160, 130704, 143040, 163380, 166880, 173883, 174272, 186720, 200256, 217840, 231844, 250320, 261408, 289805, 326760, 333760, 347766, 373440, 405727, 435680, 463688, 500640, 522816, 579610, 653520, 695532, 811454, 869415, 871360, 927376, 1001280, 1159220, 1217181, 1307040, 1391064, 1622908, 1738830, 1854752, 2028635, 2318440, 2434362, 2614080, 2782128, 3245816, 3477660, 3709504, 4057270, 4636880, 4868724, 5564256, 6085905, 6491632, 6955320, 8114540, 9273760, 9737448, 11128512, 12171810, 12983264, 13910640, 16229080, 18547520, 19474896, 24343620, 25966528, 27821280, 32458160, 38949792, 48687240, 55642560, 64916320, 77899584, 97374480, 129832640, 194748960, 389497920]

約数ペア:

[(1, 389497920), (2, 194748960), (3, 129832640), (4, 97374480), (5, 77899584), (6, 64916320), (7, 55642560), (8, 48687240), (10, 38949792), (12, 32458160), (14, 27821280), (15, 25966528), (16, 24343620), (20, 19474896), (21, 18547520), (24, 16229080), (28, 13910640), (30, 12983264), (32, 12171810), (35, 11128512), (40, 9737448), (42, 9273760), (48, 8114540), (56, 6955320), (60, 6491632), (64, 6085905), (70, 5564256), (80, 4868724), (84, 4636880), (96, 4057270), (105, 3709504), (112, 3477660), (120, 3245816), (140, 2782128), (149, 2614080), (160, 2434362), (168, 2318440), (192, 2028635), (210, 1854752), (224, 1738830), (240, 1622908), (280, 1391064), (298, 1307040), (320, 1217181), (336, 1159220), (389, 1001280), (420, 927376), (447, 871360), (448, 869415), (480, 811454), (560, 695532), (596, 653520), (672, 579610), (745, 522816), (778, 500640), (840, 463688), (894, 435680), (960, 405727), (1043, 373440), (1120, 347766), (1167, 333760), (1192, 326760), (1344, 289805), (1490, 261408), (1556, 250320), (1680, 231844), (1788, 217840), (1945, 200256), (2086, 186720), (2235, 174272), (2240, 173883), (2334, 166880), (2384, 163380), (2723, 143040), (2980, 130704), (3112, 125160), (3129, 124480), (3360, 115922), (3576, 108920), (3890, 100128), (4172, 93360), (4470, 87136), (4668, 83440), (4768, 81690), (5215, 74688), (5446, 71520), (5835, 66752), (5960, 65352), (6224, 62580), (6258, 62240), (6720, 57961), (7152, 54460), (7780, 50064), (8169, 47680), (8344, 46680), (8940, 43568), (9336, 41720), (9536, 40845), (10430, 37344), (10892, 35760), (11670, 33376), (11920, 32676), (12448, 31290), (12516, 31120), (13615, 28608), (14304, 27230), (15560, 25032), (15645, 24896), (16338, 23840), (16688, 23340), (17880, 21784), (18672, 20860)]