638602980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{937}}^1$

素因数の和:1293

約数の個数: 96

約数和(自身を含む): 1844363136

約数和(自身を除く): 1205760156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 307, 370, 444, 555, 614, 740, 921, 937, 1110, 1228, 1535, 1842, 1874, 2220, 2811, 3070, 3684, 3748, 4605, 4685, 5622, 6140, 9210, 9370, 11244, 11359, 14055, 18420, 18740, 22718, 28110, 34077, 34669, 45436, 56220, 56795, 68154, 69338, 104007, 113590, 136308, 138676, 170385, 173345, 208014, 227180, 287659, 340770, 346690, 416028, 520035, 575318, 681540, 693380, 862977, 1040070, 1150636, 1438295, 1725954, 2080140, 2876590, 3451908, 4314885, 5753180, 8629770, 10643383, 17259540, 21286766, 31930149, 42573532, 53216915, 63860298, 106433830, 127720596, 159650745, 212867660, 319301490, 638602980]

約数ペア:

[(1, 638602980), (2, 319301490), (3, 212867660), (4, 159650745), (5, 127720596), (6, 106433830), (10, 63860298), (12, 53216915), (15, 42573532), (20, 31930149), (30, 21286766), (37, 17259540), (60, 10643383), (74, 8629770), (111, 5753180), (148, 4314885), (185, 3451908), (222, 2876590), (307, 2080140), (370, 1725954), (444, 1438295), (555, 1150636), (614, 1040070), (740, 862977), (921, 693380), (937, 681540), (1110, 575318), (1228, 520035), (1535, 416028), (1842, 346690), (1874, 340770), (2220, 287659), (2811, 227180), (3070, 208014), (3684, 173345), (3748, 170385), (4605, 138676), (4685, 136308), (5622, 113590), (6140, 104007), (9210, 69338), (9370, 68154), (11244, 56795), (11359, 56220), (14055, 45436), (18420, 34669), (18740, 34077), (22718, 28110)]