21790500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 64646400

約数和(自身を除く): 42855900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 73, 75, 100, 125, 146, 150, 199, 219, 250, 292, 300, 365, 375, 398, 438, 500, 597, 730, 750, 796, 876, 995, 1095, 1194, 1460, 1500, 1825, 1990, 2190, 2388, 2985, 3650, 3980, 4380, 4975, 5475, 5970, 7300, 9125, 9950, 10950, 11940, 14527, 14925, 18250, 19900, 21900, 24875, 27375, 29054, 29850, 36500, 43581, 49750, 54750, 58108, 59700, 72635, 74625, 87162, 99500, 109500, 145270, 149250, 174324, 217905, 290540, 298500, 363175, 435810, 726350, 871620, 1089525, 1452700, 1815875, 2179050, 3631750, 4358100, 5447625, 7263500, 10895250, 21790500]

約数ペア:

[(1, 21790500), (2, 10895250), (3, 7263500), (4, 5447625), (5, 4358100), (6, 3631750), (10, 2179050), (12, 1815875), (15, 1452700), (20, 1089525), (25, 871620), (30, 726350), (50, 435810), (60, 363175), (73, 298500), (75, 290540), (100, 217905), (125, 174324), (146, 149250), (150, 145270), (199, 109500), (219, 99500), (250, 87162), (292, 74625), (300, 72635), (365, 59700), (375, 58108), (398, 54750), (438, 49750), (500, 43581), (597, 36500), (730, 29850), (750, 29054), (796, 27375), (876, 24875), (995, 21900), (1095, 19900), (1194, 18250), (1460, 14925), (1500, 14527), (1825, 11940), (1990, 10950), (2190, 9950), (2388, 9125), (2985, 7300), (3650, 5970), (3980, 5475), (4380, 4975)]