198679760

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{16447}}^1$

素因数の和:16611

約数の個数: 40

約数和(自身を含む): 465017856

約数和(自身を除く): 266338096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 16447, 32894, 65788, 82235, 131576, 164470, 263152, 328940, 657880, 1315760, 2483497, 4966994, 9933988, 12417485, 19867976, 24834970, 39735952, 49669940, 99339880, 198679760]

約数ペア:

[(1, 198679760), (2, 99339880), (4, 49669940), (5, 39735952), (8, 24834970), (10, 19867976), (16, 12417485), (20, 9933988), (40, 4966994), (80, 2483497), (151, 1315760), (302, 657880), (604, 328940), (755, 263152), (1208, 164470), (1510, 131576), (2416, 82235), (3020, 65788), (6040, 32894), (12080, 16447)]