400893984

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:671

約数の個数: 144

約数和(自身を含む): 1193197824

約数和(自身を除く): 792303840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 83, 93, 96, 124, 144, 166, 186, 248, 249, 279, 288, 332, 372, 496, 498, 541, 558, 664, 744, 747, 992, 996, 1082, 1116, 1328, 1488, 1494, 1623, 1992, 2164, 2232, 2573, 2656, 2976, 2988, 3246, 3984, 4328, 4464, 4869, 5146, 5976, 6492, 7719, 7968, 8656, 8928, 9738, 10292, 11952, 12984, 15438, 16771, 17312, 19476, 20584, 23157, 23904, 25968, 30876, 33542, 38952, 41168, 44903, 46314, 50313, 51936, 61752, 67084, 77904, 82336, 89806, 92628, 100626, 123504, 134168, 134709, 150939, 155808, 179612, 185256, 201252, 247008, 268336, 269418, 301878, 359224, 370512, 402504, 404127, 536672, 538836, 603756, 718448, 741024, 805008, 808254, 1077672, 1207512, 1391993, 1436896, 1610016, 1616508, 2155344, 2415024, 2783986, 3233016, 4175979, 4310688, 4830048, 5567972, 6466032, 8351958, 11135944, 12527937, 12932064, 16703916, 22271888, 25055874, 33407832, 44543776, 50111748, 66815664, 100223496, 133631328, 200446992, 400893984]

約数ペア:

[(1, 400893984), (2, 200446992), (3, 133631328), (4, 100223496), (6, 66815664), (8, 50111748), (9, 44543776), (12, 33407832), (16, 25055874), (18, 22271888), (24, 16703916), (31, 12932064), (32, 12527937), (36, 11135944), (48, 8351958), (62, 6466032), (72, 5567972), (83, 4830048), (93, 4310688), (96, 4175979), (124, 3233016), (144, 2783986), (166, 2415024), (186, 2155344), (248, 1616508), (249, 1610016), (279, 1436896), (288, 1391993), (332, 1207512), (372, 1077672), (496, 808254), (498, 805008), (541, 741024), (558, 718448), (664, 603756), (744, 538836), (747, 536672), (992, 404127), (996, 402504), (1082, 370512), (1116, 359224), (1328, 301878), (1488, 269418), (1494, 268336), (1623, 247008), (1992, 201252), (2164, 185256), (2232, 179612), (2573, 155808), (2656, 150939), (2976, 134709), (2988, 134168), (3246, 123504), (3984, 100626), (4328, 92628), (4464, 89806), (4869, 82336), (5146, 77904), (5976, 67084), (6492, 61752), (7719, 51936), (7968, 50313), (8656, 46314), (8928, 44903), (9738, 41168), (10292, 38952), (11952, 33542), (12984, 30876), (15438, 25968), (16771, 23904), (17312, 23157), (19476, 20584)]