30451400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{21751}}^1$

素因数の和:21774

約数の個数: 48

約数和(自身を含む): 80917440

約数和(自身を除く): 50466040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 21751, 43502, 87004, 108755, 152257, 174008, 217510, 304514, 435020, 543775, 609028, 761285, 870040, 1087550, 1218056, 1522570, 2175100, 3045140, 3806425, 4350200, 6090280, 7612850, 15225700, 30451400]

約数ペア:

[(1, 30451400), (2, 15225700), (4, 7612850), (5, 6090280), (7, 4350200), (8, 3806425), (10, 3045140), (14, 2175100), (20, 1522570), (25, 1218056), (28, 1087550), (35, 870040), (40, 761285), (50, 609028), (56, 543775), (70, 435020), (100, 304514), (140, 217510), (175, 174008), (200, 152257), (280, 108755), (350, 87004), (700, 43502), (1400, 21751)]