16620950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 32810400

約数和(自身を除く): 16189450

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 97, 115, 149, 194, 230, 298, 485, 575, 745, 970, 1150, 1490, 2231, 2425, 3427, 3725, 4462, 4850, 6854, 7450, 11155, 14453, 17135, 22310, 28906, 34270, 55775, 72265, 85675, 111550, 144530, 171350, 332419, 361325, 664838, 722650, 1662095, 3324190, 8310475, 16620950]

約数ペア:

[(1, 16620950), (2, 8310475), (5, 3324190), (10, 1662095), (23, 722650), (25, 664838), (46, 361325), (50, 332419), (97, 171350), (115, 144530), (149, 111550), (194, 85675), (230, 72265), (298, 55775), (485, 34270), (575, 28906), (745, 22310), (970, 17135), (1150, 14453), (1490, 11155), (2231, 7450), (2425, 6854), (3427, 4850), (3725, 4462)]