135468140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1447}}^1$

素因数の和:1638

約数の個数: 48

約数和(自身を含む): 295809024

約数和(自身を除く): 160340884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 151, 155, 302, 310, 604, 620, 755, 1447, 1510, 2894, 3020, 4681, 5788, 7235, 9362, 14470, 18724, 23405, 28940, 44857, 46810, 89714, 93620, 179428, 218497, 224285, 436994, 448570, 873988, 897140, 1092485, 2184970, 4369940, 6773407, 13546814, 27093628, 33867035, 67734070, 135468140]

約数ペア:

[(1, 135468140), (2, 67734070), (4, 33867035), (5, 27093628), (10, 13546814), (20, 6773407), (31, 4369940), (62, 2184970), (124, 1092485), (151, 897140), (155, 873988), (302, 448570), (310, 436994), (604, 224285), (620, 218497), (755, 179428), (1447, 93620), (1510, 89714), (2894, 46810), (3020, 44857), (4681, 28940), (5788, 23405), (7235, 18724), (9362, 14470)]