261298600

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{13469}}^1$

素因数の和:13582

約数の個数: 48

約数和(自身を含む): 613827900

約数和(自身を除く): 352529300

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3880, 4850, 9700, 13469, 19400, 26938, 53876, 67345, 107752, 134690, 269380, 336725, 538760, 673450, 1306493, 1346900, 2612986, 2693800, 5225972, 6532465, 10451944, 13064930, 26129860, 32662325, 52259720, 65324650, 130649300, 261298600]

約数ペア:

[(1, 261298600), (2, 130649300), (4, 65324650), (5, 52259720), (8, 32662325), (10, 26129860), (20, 13064930), (25, 10451944), (40, 6532465), (50, 5225972), (97, 2693800), (100, 2612986), (194, 1346900), (200, 1306493), (388, 673450), (485, 538760), (776, 336725), (970, 269380), (1940, 134690), (2425, 107752), (3880, 67345), (4850, 53876), (9700, 26938), (13469, 19400)]