31395900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{457}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 91435120

約数和(自身を除く): 60039220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 229, 300, 457, 458, 687, 914, 916, 1145, 1371, 1374, 1828, 2285, 2290, 2742, 2748, 3435, 4570, 4580, 5484, 5725, 6855, 6870, 9140, 11425, 11450, 13710, 13740, 17175, 22850, 22900, 27420, 34275, 34350, 45700, 68550, 68700, 104653, 137100, 209306, 313959, 418612, 523265, 627918, 1046530, 1255836, 1569795, 2093060, 2616325, 3139590, 5232650, 6279180, 7848975, 10465300, 15697950, 31395900]

約数ペア:

[(1, 31395900), (2, 15697950), (3, 10465300), (4, 7848975), (5, 6279180), (6, 5232650), (10, 3139590), (12, 2616325), (15, 2093060), (20, 1569795), (25, 1255836), (30, 1046530), (50, 627918), (60, 523265), (75, 418612), (100, 313959), (150, 209306), (229, 137100), (300, 104653), (457, 68700), (458, 68550), (687, 45700), (914, 34350), (916, 34275), (1145, 27420), (1371, 22900), (1374, 22850), (1828, 17175), (2285, 13740), (2290, 13710), (2742, 11450), (2748, 11425), (3435, 9140), (4570, 6870), (4580, 6855), (5484, 5725)]