400608

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:136

約数の個数: 72

約数和(自身を含む): 1238328

約数和(自身を除く): 837720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 107, 117, 144, 156, 208, 214, 234, 288, 312, 321, 416, 428, 468, 624, 642, 856, 936, 963, 1248, 1284, 1391, 1712, 1872, 1926, 2568, 2782, 3424, 3744, 3852, 4173, 5136, 5564, 7704, 8346, 10272, 11128, 12519, 15408, 16692, 22256, 25038, 30816, 33384, 44512, 50076, 66768, 100152, 133536, 200304, 400608]

約数ペア:

[(1, 400608), (2, 200304), (3, 133536), (4, 100152), (6, 66768), (8, 50076), (9, 44512), (12, 33384), (13, 30816), (16, 25038), (18, 22256), (24, 16692), (26, 15408), (32, 12519), (36, 11128), (39, 10272), (48, 8346), (52, 7704), (72, 5564), (78, 5136), (96, 4173), (104, 3852), (107, 3744), (117, 3424), (144, 2782), (156, 2568), (208, 1926), (214, 1872), (234, 1712), (288, 1391), (312, 1284), (321, 1248), (416, 963), (428, 936), (468, 856), (624, 642)]