400777488

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 180

約数和(自身を含む): 1224765360

約数和(自身を除く): 823987872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 37, 38, 48, 57, 72, 74, 76, 107, 111, 114, 144, 148, 152, 171, 214, 222, 228, 296, 304, 321, 333, 342, 428, 444, 456, 592, 642, 666, 684, 703, 856, 888, 912, 963, 1284, 1332, 1368, 1369, 1406, 1712, 1776, 1926, 2033, 2109, 2568, 2664, 2736, 2738, 2812, 3852, 3959, 4066, 4107, 4218, 5136, 5328, 5476, 5624, 6099, 6327, 7704, 7918, 8132, 8214, 8436, 10952, 11248, 11877, 12198, 12321, 12654, 15408, 15836, 16264, 16428, 16872, 18297, 21904, 23754, 24396, 24642, 25308, 26011, 31672, 32528, 32856, 33744, 35631, 36594, 47508, 48792, 49284, 50616, 52022, 63344, 65712, 71262, 73188, 75221, 78033, 95016, 97584, 98568, 101232, 104044, 142524, 146376, 146483, 150442, 156066, 190032, 197136, 208088, 225663, 234099, 285048, 292752, 292966, 300884, 312132, 416176, 439449, 451326, 468198, 570096, 585932, 601768, 624264, 676989, 878898, 902652, 936396, 1171864, 1203536, 1248528, 1318347, 1353978, 1757796, 1805304, 1872792, 2343728, 2636694, 2707956, 2783177, 3515592, 3610608, 3745584, 5273388, 5415912, 5566354, 7031184, 8349531, 10546776, 10831824, 11132708, 16699062, 21093552, 22265416, 25048593, 33398124, 44530832, 50097186, 66796248, 100194372, 133592496, 200388744, 400777488]

約数ペア:

[(1, 400777488), (2, 200388744), (3, 133592496), (4, 100194372), (6, 66796248), (8, 50097186), (9, 44530832), (12, 33398124), (16, 25048593), (18, 22265416), (19, 21093552), (24, 16699062), (36, 11132708), (37, 10831824), (38, 10546776), (48, 8349531), (57, 7031184), (72, 5566354), (74, 5415912), (76, 5273388), (107, 3745584), (111, 3610608), (114, 3515592), (144, 2783177), (148, 2707956), (152, 2636694), (171, 2343728), (214, 1872792), (222, 1805304), (228, 1757796), (296, 1353978), (304, 1318347), (321, 1248528), (333, 1203536), (342, 1171864), (428, 936396), (444, 902652), (456, 878898), (592, 676989), (642, 624264), (666, 601768), (684, 585932), (703, 570096), (856, 468198), (888, 451326), (912, 439449), (963, 416176), (1284, 312132), (1332, 300884), (1368, 292966), (1369, 292752), (1406, 285048), (1712, 234099), (1776, 225663), (1926, 208088), (2033, 197136), (2109, 190032), (2568, 156066), (2664, 150442), (2736, 146483), (2738, 146376), (2812, 142524), (3852, 104044), (3959, 101232), (4066, 98568), (4107, 97584), (4218, 95016), (5136, 78033), (5328, 75221), (5476, 73188), (5624, 71262), (6099, 65712), (6327, 63344), (7704, 52022), (7918, 50616), (8132, 49284), (8214, 48792), (8436, 47508), (10952, 36594), (11248, 35631), (11877, 33744), (12198, 32856), (12321, 32528), (12654, 31672), (15408, 26011), (15836, 25308), (16264, 24642), (16428, 24396), (16872, 23754), (18297, 21904)]