198559000

素因数分解:

$2^3\times 5^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 495331200

約数和(自身を除く): 296772200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 89, 92, 97, 100, 115, 125, 178, 184, 194, 200, 230, 250, 356, 388, 445, 460, 485, 500, 575, 712, 776, 890, 920, 970, 1000, 1150, 1780, 1940, 2047, 2225, 2231, 2300, 2425, 2875, 3560, 3880, 4094, 4450, 4462, 4600, 4850, 5750, 8188, 8633, 8900, 8924, 9700, 10235, 11125, 11155, 11500, 12125, 16376, 17266, 17800, 17848, 19400, 20470, 22250, 22310, 23000, 24250, 34532, 40940, 43165, 44500, 44620, 48500, 51175, 55775, 69064, 81880, 86330, 89000, 89240, 97000, 102350, 111550, 172660, 198559, 204700, 215825, 223100, 255875, 278875, 345320, 397118, 409400, 431650, 446200, 511750, 557750, 794236, 863300, 992795, 1023500, 1079125, 1115500, 1588472, 1726600, 1985590, 2047000, 2158250, 2231000, 3971180, 4316500, 4963975, 7942360, 8633000, 9927950, 19855900, 24819875, 39711800, 49639750, 99279500, 198559000]

約数ペア:

[(1, 198559000), (2, 99279500), (4, 49639750), (5, 39711800), (8, 24819875), (10, 19855900), (20, 9927950), (23, 8633000), (25, 7942360), (40, 4963975), (46, 4316500), (50, 3971180), (89, 2231000), (92, 2158250), (97, 2047000), (100, 1985590), (115, 1726600), (125, 1588472), (178, 1115500), (184, 1079125), (194, 1023500), (200, 992795), (230, 863300), (250, 794236), (356, 557750), (388, 511750), (445, 446200), (460, 431650), (485, 409400), (500, 397118), (575, 345320), (712, 278875), (776, 255875), (890, 223100), (920, 215825), (970, 204700), (1000, 198559), (1150, 172660), (1780, 111550), (1940, 102350), (2047, 97000), (2225, 89240), (2231, 89000), (2300, 86330), (2425, 81880), (2875, 69064), (3560, 55775), (3880, 51175), (4094, 48500), (4450, 44620), (4462, 44500), (4600, 43165), (4850, 40940), (5750, 34532), (8188, 24250), (8633, 23000), (8900, 22310), (8924, 22250), (9700, 20470), (10235, 19400), (11125, 17848), (11155, 17800), (11500, 17266), (12125, 16376)]