87620390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:965

約数の個数: 64

約数和(自身を含む): 188116992

約数和(自身を除く): 100496602

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 286, 355, 710, 715, 781, 863, 923, 1430, 1562, 1726, 1846, 3905, 4315, 4615, 7810, 8630, 9230, 9493, 10153, 11219, 18986, 20306, 22438, 47465, 50765, 56095, 61273, 94930, 101530, 112190, 122546, 123409, 246818, 306365, 612730, 617045, 674003, 796549, 1234090, 1348006, 1593098, 3370015, 3982745, 6740030, 7965490, 8762039, 17524078, 43810195, 87620390]

約数ペア:

[(1, 87620390), (2, 43810195), (5, 17524078), (10, 8762039), (11, 7965490), (13, 6740030), (22, 3982745), (26, 3370015), (55, 1593098), (65, 1348006), (71, 1234090), (110, 796549), (130, 674003), (142, 617045), (143, 612730), (286, 306365), (355, 246818), (710, 123409), (715, 122546), (781, 112190), (863, 101530), (923, 94930), (1430, 61273), (1562, 56095), (1726, 50765), (1846, 47465), (3905, 22438), (4315, 20306), (4615, 18986), (7810, 11219), (8630, 10153), (9230, 9493)]