138826400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1789}}^1$

素因数の和:1906

約数の個数: 72

約数和(自身を含む): 342595260

約数和(自身を除く): 203768860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 970, 1552, 1789, 1940, 2425, 3104, 3578, 3880, 4850, 7156, 7760, 8945, 9700, 14312, 15520, 17890, 19400, 28624, 35780, 38800, 44725, 57248, 71560, 77600, 89450, 143120, 173533, 178900, 286240, 347066, 357800, 694132, 715600, 867665, 1388264, 1431200, 1735330, 2776528, 3470660, 4338325, 5553056, 6941320, 8676650, 13882640, 17353300, 27765280, 34706600, 69413200, 138826400]

約数ペア:

[(1, 138826400), (2, 69413200), (4, 34706600), (5, 27765280), (8, 17353300), (10, 13882640), (16, 8676650), (20, 6941320), (25, 5553056), (32, 4338325), (40, 3470660), (50, 2776528), (80, 1735330), (97, 1431200), (100, 1388264), (160, 867665), (194, 715600), (200, 694132), (388, 357800), (400, 347066), (485, 286240), (776, 178900), (800, 173533), (970, 143120), (1552, 89450), (1789, 77600), (1940, 71560), (2425, 57248), (3104, 44725), (3578, 38800), (3880, 35780), (4850, 28624), (7156, 19400), (7760, 17890), (8945, 15520), (9700, 14312)]