28708500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{19139}}^1$

素因数の和:19161

約数の個数: 48

約数和(自身を含む): 83603520

約数和(自身を除く): 54895020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 19139, 38278, 57417, 76556, 95695, 114834, 191390, 229668, 287085, 382780, 478475, 574170, 956950, 1148340, 1435425, 1913900, 2392375, 2870850, 4784750, 5741700, 7177125, 9569500, 14354250, 28708500]

約数ペア:

[(1, 28708500), (2, 14354250), (3, 9569500), (4, 7177125), (5, 5741700), (6, 4784750), (10, 2870850), (12, 2392375), (15, 1913900), (20, 1435425), (25, 1148340), (30, 956950), (50, 574170), (60, 478475), (75, 382780), (100, 287085), (125, 229668), (150, 191390), (250, 114834), (300, 95695), (375, 76556), (500, 57417), (750, 38278), (1500, 19139)]