97900000

素因数分解:

$2^5\times 5^5\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 265764240

約数和(自身を除く): 167864240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 89, 100, 110, 125, 160, 176, 178, 200, 220, 250, 275, 352, 356, 400, 440, 445, 500, 550, 625, 712, 800, 880, 890, 979, 1000, 1100, 1250, 1375, 1424, 1760, 1780, 1958, 2000, 2200, 2225, 2500, 2750, 2848, 3125, 3560, 3916, 4000, 4400, 4450, 4895, 5000, 5500, 6250, 6875, 7120, 7832, 8800, 8900, 9790, 10000, 11000, 11125, 12500, 13750, 14240, 15664, 17800, 19580, 20000, 22000, 22250, 24475, 25000, 27500, 31328, 34375, 35600, 39160, 44000, 44500, 48950, 50000, 55000, 55625, 68750, 71200, 78320, 89000, 97900, 100000, 110000, 111250, 122375, 137500, 156640, 178000, 195800, 220000, 222500, 244750, 275000, 278125, 356000, 391600, 445000, 489500, 550000, 556250, 611875, 783200, 890000, 979000, 1100000, 1112500, 1223750, 1780000, 1958000, 2225000, 2447500, 3059375, 3916000, 4450000, 4895000, 6118750, 8900000, 9790000, 12237500, 19580000, 24475000, 48950000, 97900000]

約数ペア:

[(1, 97900000), (2, 48950000), (4, 24475000), (5, 19580000), (8, 12237500), (10, 9790000), (11, 8900000), (16, 6118750), (20, 4895000), (22, 4450000), (25, 3916000), (32, 3059375), (40, 2447500), (44, 2225000), (50, 1958000), (55, 1780000), (80, 1223750), (88, 1112500), (89, 1100000), (100, 979000), (110, 890000), (125, 783200), (160, 611875), (176, 556250), (178, 550000), (200, 489500), (220, 445000), (250, 391600), (275, 356000), (352, 278125), (356, 275000), (400, 244750), (440, 222500), (445, 220000), (500, 195800), (550, 178000), (625, 156640), (712, 137500), (800, 122375), (880, 111250), (890, 110000), (979, 100000), (1000, 97900), (1100, 89000), (1250, 78320), (1375, 71200), (1424, 68750), (1760, 55625), (1780, 55000), (1958, 50000), (2000, 48950), (2200, 44500), (2225, 44000), (2500, 39160), (2750, 35600), (2848, 34375), (3125, 31328), (3560, 27500), (3916, 25000), (4000, 24475), (4400, 22250), (4450, 22000), (4895, 20000), (5000, 19580), (5500, 17800), (6250, 15664), (6875, 14240), (7120, 13750), (7832, 12500), (8800, 11125), (8900, 11000), (9790, 10000)]