28208203.000000000

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 288947520

約数和(自身を除く): 183609990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 211, 215, 258, 270, 387, 422, 430, 633, 645, 774, 1055, 1161, 1266, 1290, 1849, 1899, 1935, 2110, 2322, 3165, 3698, 3798, 3870, 5547, 5697, 5805, 6330, 9073, 9245, 9495, 11094, 11394, 11610, 16641, 18146, 18490, 18990, 27219, 27735, 28485, 33282, 45365, 49923, 54438, 55470, 56970, 81657, 83205, 90730, 99846, 136095, 163314, 166410, 244971, 249615, 272190, 390139, 408285, 489942, 499230, 780278, 816570, 1170417, 1224855, 1950695, 2340834, 2449710, 3511251, 3901390, 5852085, 7022502, 10533753, 11704170, 17556255, 21067506, 35112510, 52668765, 105337530]

約数ペア:

[(1, 105337530), (2, 52668765), (3, 35112510), (5, 21067506), (6, 17556255), (9, 11704170), (10, 10533753), (15, 7022502), (18, 5852085), (27, 3901390), (30, 3511251), (43, 2449710), (45, 2340834), (54, 1950695), (86, 1224855), (90, 1170417), (129, 816570), (135, 780278), (211, 499230), (215, 489942), (258, 408285), (270, 390139), (387, 272190), (422, 249615), (430, 244971), (633, 166410), (645, 163314), (774, 136095), (1055, 99846), (1161, 90730), (1266, 83205), (1290, 81657), (1849, 56970), (1899, 55470), (1935, 54438), (2110, 49923), (2322, 45365), (3165, 33282), (3698, 28485), (3798, 27735), (3870, 27219), (5547, 18990), (5697, 18490), (5805, 18146), (6330, 16641), (9073, 11610), (9245, 11394), (9495, 11094)]