123005200

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{18089}}^1$

素因数の和:18124

約数の個数: 60

約数和(自身を含む): 312920820

約数和(自身を除く): 189915620

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 18089, 36178, 72356, 90445, 144712, 180890, 289424, 307513, 361780, 452225, 615026, 723560, 904450, 1230052, 1447120, 1537565, 1808900, 2460104, 3075130, 3617800, 4920208, 6150260, 7235600, 7687825, 12300520, 15375650, 24601040, 30751300, 61502600, 123005200]

約数ペア:

[(1, 123005200), (2, 61502600), (4, 30751300), (5, 24601040), (8, 15375650), (10, 12300520), (16, 7687825), (17, 7235600), (20, 6150260), (25, 4920208), (34, 3617800), (40, 3075130), (50, 2460104), (68, 1808900), (80, 1537565), (85, 1447120), (100, 1230052), (136, 904450), (170, 723560), (200, 615026), (272, 452225), (340, 361780), (400, 307513), (425, 289424), (680, 180890), (850, 144712), (1360, 90445), (1700, 72356), (3400, 36178), (6800, 18089)]