28338450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 81316224

約数和(自身を除く): 52977774

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 137, 150, 175, 197, 210, 274, 350, 394, 411, 525, 591, 685, 822, 959, 985, 1050, 1182, 1370, 1379, 1918, 1970, 2055, 2758, 2877, 2955, 3425, 4110, 4137, 4795, 4925, 5754, 5910, 6850, 6895, 8274, 9590, 9850, 10275, 13790, 14385, 14775, 20550, 20685, 23975, 26989, 28770, 29550, 34475, 41370, 47950, 53978, 68950, 71925, 80967, 103425, 134945, 143850, 161934, 188923, 206850, 269890, 377846, 404835, 566769, 674725, 809670, 944615, 1133538, 1349450, 1889230, 2024175, 2833845, 4048350, 4723075, 5667690, 9446150, 14169225, 28338450]

約数ペア:

[(1, 28338450), (2, 14169225), (3, 9446150), (5, 5667690), (6, 4723075), (7, 4048350), (10, 2833845), (14, 2024175), (15, 1889230), (21, 1349450), (25, 1133538), (30, 944615), (35, 809670), (42, 674725), (50, 566769), (70, 404835), (75, 377846), (105, 269890), (137, 206850), (150, 188923), (175, 161934), (197, 143850), (210, 134945), (274, 103425), (350, 80967), (394, 71925), (411, 68950), (525, 53978), (591, 47950), (685, 41370), (822, 34475), (959, 29550), (985, 28770), (1050, 26989), (1182, 23975), (1370, 20685), (1379, 20550), (1918, 14775), (1970, 14385), (2055, 13790), (2758, 10275), (2877, 9850), (2955, 9590), (3425, 8274), (4110, 6895), (4137, 6850), (4795, 5910), (4925, 5754)]