25498900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 64232000

約数和(自身を除く): 38733100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 73, 100, 140, 146, 175, 292, 350, 365, 499, 511, 700, 730, 998, 1022, 1460, 1825, 1996, 2044, 2495, 2555, 3493, 3650, 4990, 5110, 6986, 7300, 9980, 10220, 12475, 12775, 13972, 17465, 24950, 25550, 34930, 36427, 49900, 51100, 69860, 72854, 87325, 145708, 174650, 182135, 254989, 349300, 364270, 509978, 728540, 910675, 1019956, 1274945, 1821350, 2549890, 3642700, 5099780, 6374725, 12749450, 25498900]

約数ペア:

[(1, 25498900), (2, 12749450), (4, 6374725), (5, 5099780), (7, 3642700), (10, 2549890), (14, 1821350), (20, 1274945), (25, 1019956), (28, 910675), (35, 728540), (50, 509978), (70, 364270), (73, 349300), (100, 254989), (140, 182135), (146, 174650), (175, 145708), (292, 87325), (350, 72854), (365, 69860), (499, 51100), (511, 49900), (700, 36427), (730, 34930), (998, 25550), (1022, 24950), (1460, 17465), (1825, 13972), (1996, 12775), (2044, 12475), (2495, 10220), (2555, 9980), (3493, 7300), (3650, 6986), (4990, 5110)]