253312500

素因数分解:

$2^2\times 3^1\times 5^6\times 7^1\times {\mathrm{193}}^1$

素因数の和:237

約数の個数: 168

約数和(自身を含む): 848739136

約数和(自身を除く): 595426636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 193, 210, 250, 300, 350, 375, 386, 420, 500, 525, 579, 625, 700, 750, 772, 875, 965, 1050, 1158, 1250, 1351, 1500, 1750, 1875, 1930, 2100, 2316, 2500, 2625, 2702, 2895, 3125, 3500, 3750, 3860, 4053, 4375, 4825, 5250, 5404, 5790, 6250, 6755, 7500, 8106, 8750, 9375, 9650, 10500, 11580, 12500, 13125, 13510, 14475, 15625, 16212, 17500, 18750, 19300, 20265, 21875, 24125, 26250, 27020, 28950, 31250, 33775, 37500, 40530, 43750, 46875, 48250, 52500, 57900, 62500, 65625, 67550, 72375, 81060, 87500, 93750, 96500, 101325, 109375, 120625, 131250, 135100, 144750, 168875, 187500, 202650, 218750, 241250, 262500, 289500, 328125, 337750, 361875, 405300, 437500, 482500, 506625, 603125, 656250, 675500, 723750, 844375, 1013250, 1206250, 1312500, 1447500, 1688750, 1809375, 2026500, 2412500, 2533125, 3015625, 3377500, 3618750, 4221875, 5066250, 6031250, 7237500, 8443750, 9046875, 10132500, 12062500, 12665625, 16887500, 18093750, 21109375, 25331250, 36187500, 42218750, 50662500, 63328125, 84437500, 126656250, 253312500]

約数ペア:

[(1, 253312500), (2, 126656250), (3, 84437500), (4, 63328125), (5, 50662500), (6, 42218750), (7, 36187500), (10, 25331250), (12, 21109375), (14, 18093750), (15, 16887500), (20, 12665625), (21, 12062500), (25, 10132500), (28, 9046875), (30, 8443750), (35, 7237500), (42, 6031250), (50, 5066250), (60, 4221875), (70, 3618750), (75, 3377500), (84, 3015625), (100, 2533125), (105, 2412500), (125, 2026500), (140, 1809375), (150, 1688750), (175, 1447500), (193, 1312500), (210, 1206250), (250, 1013250), (300, 844375), (350, 723750), (375, 675500), (386, 656250), (420, 603125), (500, 506625), (525, 482500), (579, 437500), (625, 405300), (700, 361875), (750, 337750), (772, 328125), (875, 289500), (965, 262500), (1050, 241250), (1158, 218750), (1250, 202650), (1351, 187500), (1500, 168875), (1750, 144750), (1875, 135100), (1930, 131250), (2100, 120625), (2316, 109375), (2500, 101325), (2625, 96500), (2702, 93750), (2895, 87500), (3125, 81060), (3500, 72375), (3750, 67550), (3860, 65625), (4053, 62500), (4375, 57900), (4825, 52500), (5250, 48250), (5404, 46875), (5790, 43750), (6250, 40530), (6755, 37500), (7500, 33775), (8106, 31250), (8750, 28950), (9375, 27020), (9650, 26250), (10500, 24125), (11580, 21875), (12500, 20265), (13125, 19300), (13510, 18750), (14475, 17500), (15625, 16212)]