78468490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 153653760

約数和(自身を除く): 75185270

約数列:

[1, 2, 5, 10, 29, 37, 58, 71, 74, 103, 142, 145, 185, 206, 290, 355, 370, 515, 710, 1030, 1073, 2059, 2146, 2627, 2987, 3811, 4118, 5254, 5365, 5974, 7313, 7622, 10295, 10730, 13135, 14626, 14935, 19055, 20590, 26270, 29870, 36565, 38110, 73130, 76183, 110519, 152366, 212077, 221038, 270581, 380915, 424154, 541162, 552595, 761830, 1060385, 1105190, 1352905, 2120770, 2705810, 7846849, 15693698, 39234245, 78468490]

約数ペア:

[(1, 78468490), (2, 39234245), (5, 15693698), (10, 7846849), (29, 2705810), (37, 2120770), (58, 1352905), (71, 1105190), (74, 1060385), (103, 761830), (142, 552595), (145, 541162), (185, 424154), (206, 380915), (290, 270581), (355, 221038), (370, 212077), (515, 152366), (710, 110519), (1030, 76183), (1073, 73130), (2059, 38110), (2146, 36565), (2627, 29870), (2987, 26270), (3811, 20590), (4118, 19055), (5254, 14935), (5365, 14626), (5974, 13135), (7313, 10730), (7622, 10295)]