400023456

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{307}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 1229903136

約数和(自身を除く): 829879680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 277, 294, 307, 336, 392, 554, 588, 614, 672, 784, 831, 921, 1108, 1176, 1228, 1568, 1662, 1842, 1939, 2149, 2216, 2352, 2456, 3324, 3684, 3878, 4298, 4432, 4704, 4912, 5817, 6447, 6648, 7368, 7756, 8596, 8864, 9824, 11634, 12894, 13296, 13573, 14736, 15043, 15512, 17192, 23268, 25788, 26592, 27146, 29472, 30086, 31024, 34384, 40719, 45129, 46536, 51576, 54292, 60172, 62048, 68768, 81438, 85039, 90258, 93072, 103152, 108584, 120344, 162876, 170078, 180516, 186144, 206304, 217168, 240688, 255117, 325752, 340156, 361032, 434336, 481376, 510234, 595273, 651504, 680312, 722064, 1020468, 1190546, 1303008, 1360624, 1444128, 1785819, 2040936, 2381092, 2721248, 3571638, 4081872, 4166911, 4762184, 7143276, 8163744, 8333822, 9524368, 12500733, 14286552, 16667644, 19048736, 25001466, 28573104, 33335288, 50002932, 57146208, 66670576, 100005864, 133341152, 200011728, 400023456]

約数ペア:

[(1, 400023456), (2, 200011728), (3, 133341152), (4, 100005864), (6, 66670576), (7, 57146208), (8, 50002932), (12, 33335288), (14, 28573104), (16, 25001466), (21, 19048736), (24, 16667644), (28, 14286552), (32, 12500733), (42, 9524368), (48, 8333822), (49, 8163744), (56, 7143276), (84, 4762184), (96, 4166911), (98, 4081872), (112, 3571638), (147, 2721248), (168, 2381092), (196, 2040936), (224, 1785819), (277, 1444128), (294, 1360624), (307, 1303008), (336, 1190546), (392, 1020468), (554, 722064), (588, 680312), (614, 651504), (672, 595273), (784, 510234), (831, 481376), (921, 434336), (1108, 361032), (1176, 340156), (1228, 325752), (1568, 255117), (1662, 240688), (1842, 217168), (1939, 206304), (2149, 186144), (2216, 180516), (2352, 170078), (2456, 162876), (3324, 120344), (3684, 108584), (3878, 103152), (4298, 93072), (4432, 90258), (4704, 85039), (4912, 81438), (5817, 68768), (6447, 62048), (6648, 60172), (7368, 54292), (7756, 51576), (8596, 46536), (8864, 45129), (9824, 40719), (11634, 34384), (12894, 31024), (13296, 30086), (13573, 29472), (14736, 27146), (15043, 26592), (15512, 25788), (17192, 23268)]