210437500

素因数分解:

$2^2\times 5^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 168

約数和(自身を含む): 581867552

約数和(自身を除く): 371430052

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 37, 50, 52, 65, 70, 74, 91, 100, 125, 130, 140, 148, 175, 182, 185, 250, 259, 260, 325, 350, 364, 370, 455, 481, 500, 518, 625, 650, 700, 740, 875, 910, 925, 962, 1036, 1250, 1295, 1300, 1625, 1750, 1820, 1850, 1924, 2275, 2405, 2500, 2590, 3125, 3250, 3367, 3500, 3700, 4375, 4550, 4625, 4810, 5180, 6250, 6475, 6500, 6734, 8125, 8750, 9100, 9250, 9620, 11375, 12025, 12500, 12950, 13468, 15625, 16250, 16835, 17500, 18500, 21875, 22750, 23125, 24050, 25900, 31250, 32375, 32500, 33670, 40625, 43750, 45500, 46250, 48100, 56875, 60125, 62500, 64750, 67340, 81250, 84175, 87500, 92500, 109375, 113750, 115625, 120250, 129500, 161875, 162500, 168350, 203125, 218750, 227500, 231250, 240500, 284375, 300625, 323750, 336700, 406250, 420875, 437500, 462500, 568750, 578125, 601250, 647500, 809375, 812500, 841750, 1137500, 1156250, 1202500, 1421875, 1503125, 1618750, 1683500, 2104375, 2312500, 2843750, 3006250, 3237500, 4046875, 4208750, 5687500, 6012500, 7515625, 8093750, 8417500, 10521875, 15031250, 16187500, 21043750, 30062500, 42087500, 52609375, 105218750, 210437500]

約数ペア:

[(1, 210437500), (2, 105218750), (4, 52609375), (5, 42087500), (7, 30062500), (10, 21043750), (13, 16187500), (14, 15031250), (20, 10521875), (25, 8417500), (26, 8093750), (28, 7515625), (35, 6012500), (37, 5687500), (50, 4208750), (52, 4046875), (65, 3237500), (70, 3006250), (74, 2843750), (91, 2312500), (100, 2104375), (125, 1683500), (130, 1618750), (140, 1503125), (148, 1421875), (175, 1202500), (182, 1156250), (185, 1137500), (250, 841750), (259, 812500), (260, 809375), (325, 647500), (350, 601250), (364, 578125), (370, 568750), (455, 462500), (481, 437500), (500, 420875), (518, 406250), (625, 336700), (650, 323750), (700, 300625), (740, 284375), (875, 240500), (910, 231250), (925, 227500), (962, 218750), (1036, 203125), (1250, 168350), (1295, 162500), (1300, 161875), (1625, 129500), (1750, 120250), (1820, 115625), (1850, 113750), (1924, 109375), (2275, 92500), (2405, 87500), (2500, 84175), (2590, 81250), (3125, 67340), (3250, 64750), (3367, 62500), (3500, 60125), (3700, 56875), (4375, 48100), (4550, 46250), (4625, 45500), (4810, 43750), (5180, 40625), (6250, 33670), (6475, 32500), (6500, 32375), (6734, 31250), (8125, 25900), (8750, 24050), (9100, 23125), (9250, 22750), (9620, 21875), (11375, 18500), (12025, 17500), (12500, 16835), (12950, 16250), (13468, 15625)]