21712500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 68956524

約数和(自身を除く): 47244024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 193, 225, 250, 300, 375, 386, 450, 500, 579, 625, 750, 772, 900, 965, 1125, 1158, 1250, 1500, 1737, 1875, 1930, 2250, 2316, 2500, 2895, 3125, 3474, 3750, 3860, 4500, 4825, 5625, 5790, 6250, 6948, 7500, 8685, 9375, 9650, 11250, 11580, 12500, 14475, 17370, 18750, 19300, 22500, 24125, 28125, 28950, 34740, 37500, 43425, 48250, 56250, 57900, 72375, 86850, 96500, 112500, 120625, 144750, 173700, 217125, 241250, 289500, 361875, 434250, 482500, 603125, 723750, 868500, 1085625, 1206250, 1447500, 1809375, 2171250, 2412500, 3618750, 4342500, 5428125, 7237500, 10856250, 21712500]

約数ペア:

[(1, 21712500), (2, 10856250), (3, 7237500), (4, 5428125), (5, 4342500), (6, 3618750), (9, 2412500), (10, 2171250), (12, 1809375), (15, 1447500), (18, 1206250), (20, 1085625), (25, 868500), (30, 723750), (36, 603125), (45, 482500), (50, 434250), (60, 361875), (75, 289500), (90, 241250), (100, 217125), (125, 173700), (150, 144750), (180, 120625), (193, 112500), (225, 96500), (250, 86850), (300, 72375), (375, 57900), (386, 56250), (450, 48250), (500, 43425), (579, 37500), (625, 34740), (750, 28950), (772, 28125), (900, 24125), (965, 22500), (1125, 19300), (1158, 18750), (1250, 17370), (1500, 14475), (1737, 12500), (1875, 11580), (1930, 11250), (2250, 9650), (2316, 9375), (2500, 8685), (2895, 7500), (3125, 6948), (3474, 6250), (3750, 5790), (3860, 5625), (4500, 4825)]