31321300

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3229}}^1$

素因数の和:3340

約数の個数: 36

約数和(自身を含む): 68689180

約数和(自身を除く): 37367880

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 3229, 4850, 6458, 9700, 12916, 16145, 32290, 64580, 80725, 161450, 313213, 322900, 626426, 1252852, 1566065, 3132130, 6264260, 7830325, 15660650, 31321300]

約数ペア:

[(1, 31321300), (2, 15660650), (4, 7830325), (5, 6264260), (10, 3132130), (20, 1566065), (25, 1252852), (50, 626426), (97, 322900), (100, 313213), (194, 161450), (388, 80725), (485, 64580), (970, 32290), (1940, 16145), (2425, 12916), (3229, 9700), (4850, 6458)]