401977728

素因数分解:

$2^7\times 3^4\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:446

約数の個数: 160

約数和(自身を含む): 1209269160

約数和(自身を除く): 807291432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 137, 144, 162, 192, 216, 274, 283, 288, 324, 384, 411, 432, 548, 566, 576, 648, 822, 849, 864, 1096, 1132, 1152, 1233, 1296, 1644, 1698, 1728, 2192, 2264, 2466, 2547, 2592, 3288, 3396, 3456, 3699, 4384, 4528, 4932, 5094, 5184, 6576, 6792, 7398, 7641, 8768, 9056, 9864, 10188, 10368, 11097, 13152, 13584, 14796, 15282, 17536, 18112, 19728, 20376, 22194, 22923, 26304, 27168, 29592, 30564, 36224, 38771, 39456, 40752, 44388, 45846, 52608, 54336, 59184, 61128, 77542, 78912, 81504, 88776, 91692, 108672, 116313, 118368, 122256, 155084, 157824, 163008, 177552, 183384, 232626, 236736, 244512, 310168, 326016, 348939, 355104, 366768, 465252, 473472, 489024, 620336, 697878, 710208, 733536, 930504, 978048, 1046817, 1240672, 1395756, 1420416, 1467072, 1861008, 2093634, 2481344, 2791512, 2934144, 3140451, 3722016, 4187268, 4962688, 5583024, 6280902, 7444032, 8374536, 11166048, 12561804, 14888064, 16749072, 22332096, 25123608, 33498144, 44664192, 50247216, 66996288, 100494432, 133992576, 200988864, 401977728]

約数ペア:

[(1, 401977728), (2, 200988864), (3, 133992576), (4, 100494432), (6, 66996288), (8, 50247216), (9, 44664192), (12, 33498144), (16, 25123608), (18, 22332096), (24, 16749072), (27, 14888064), (32, 12561804), (36, 11166048), (48, 8374536), (54, 7444032), (64, 6280902), (72, 5583024), (81, 4962688), (96, 4187268), (108, 3722016), (128, 3140451), (137, 2934144), (144, 2791512), (162, 2481344), (192, 2093634), (216, 1861008), (274, 1467072), (283, 1420416), (288, 1395756), (324, 1240672), (384, 1046817), (411, 978048), (432, 930504), (548, 733536), (566, 710208), (576, 697878), (648, 620336), (822, 489024), (849, 473472), (864, 465252), (1096, 366768), (1132, 355104), (1152, 348939), (1233, 326016), (1296, 310168), (1644, 244512), (1698, 236736), (1728, 232626), (2192, 183384), (2264, 177552), (2466, 163008), (2547, 157824), (2592, 155084), (3288, 122256), (3396, 118368), (3456, 116313), (3699, 108672), (4384, 91692), (4528, 88776), (4932, 81504), (5094, 78912), (5184, 77542), (6576, 61128), (6792, 59184), (7398, 54336), (7641, 52608), (8768, 45846), (9056, 44388), (9864, 40752), (10188, 39456), (10368, 38771), (11097, 36224), (13152, 30564), (13584, 29592), (14796, 27168), (15282, 26304), (17536, 22923), (18112, 22194), (19728, 20376)]