28387710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1277}}^1$

素因数の和:1322

約数の個数: 96

約数和(自身を含む): 83734560

約数和(自身を除く): 55346850

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 171, 190, 195, 234, 247, 285, 342, 390, 494, 570, 585, 741, 855, 1170, 1235, 1277, 1482, 1710, 2223, 2470, 2554, 3705, 3831, 4446, 6385, 7410, 7662, 11115, 11493, 12770, 16601, 19155, 22230, 22986, 24263, 33202, 38310, 48526, 49803, 57465, 72789, 83005, 99606, 114930, 121315, 145578, 149409, 166010, 218367, 242630, 249015, 298818, 315419, 363945, 436734, 498030, 630838, 727890, 747045, 946257, 1091835, 1494090, 1577095, 1892514, 2183670, 2838771, 3154190, 4731285, 5677542, 9462570, 14193855, 28387710]

約数ペア:

[(1, 28387710), (2, 14193855), (3, 9462570), (5, 5677542), (6, 4731285), (9, 3154190), (10, 2838771), (13, 2183670), (15, 1892514), (18, 1577095), (19, 1494090), (26, 1091835), (30, 946257), (38, 747045), (39, 727890), (45, 630838), (57, 498030), (65, 436734), (78, 363945), (90, 315419), (95, 298818), (114, 249015), (117, 242630), (130, 218367), (171, 166010), (190, 149409), (195, 145578), (234, 121315), (247, 114930), (285, 99606), (342, 83005), (390, 72789), (494, 57465), (570, 49803), (585, 48526), (741, 38310), (855, 33202), (1170, 24263), (1235, 22986), (1277, 22230), (1482, 19155), (1710, 16601), (2223, 12770), (2470, 11493), (2554, 11115), (3705, 7662), (3831, 7410), (4446, 6385)]