30175400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 72955710

約数和(自身を除く): 42780310

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 157, 200, 248, 310, 314, 620, 628, 775, 785, 961, 1240, 1256, 1550, 1570, 1922, 3100, 3140, 3844, 3925, 4805, 4867, 6200, 6280, 7688, 7850, 9610, 9734, 15700, 19220, 19468, 24025, 24335, 31400, 38440, 38936, 48050, 48670, 96100, 97340, 121675, 150877, 192200, 194680, 243350, 301754, 486700, 603508, 754385, 973400, 1207016, 1508770, 3017540, 3771925, 6035080, 7543850, 15087700, 30175400]

約数ペア:

[(1, 30175400), (2, 15087700), (4, 7543850), (5, 6035080), (8, 3771925), (10, 3017540), (20, 1508770), (25, 1207016), (31, 973400), (40, 754385), (50, 603508), (62, 486700), (100, 301754), (124, 243350), (155, 194680), (157, 192200), (200, 150877), (248, 121675), (310, 97340), (314, 96100), (620, 48670), (628, 48050), (775, 38936), (785, 38440), (961, 31400), (1240, 24335), (1256, 24025), (1550, 19468), (1570, 19220), (1922, 15700), (3100, 9734), (3140, 9610), (3844, 7850), (3925, 7688), (4805, 6280), (4867, 6200)]