31570840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2399}}^1$

素因数の和:2464

約数の個数: 64

約数和(自身を含む): 82944000

約数和(自身を除く): 51373160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2399, 2632, 3290, 4798, 6580, 9596, 11995, 13160, 16793, 19192, 23990, 33586, 47980, 67172, 83965, 95960, 112753, 134344, 167930, 225506, 335860, 451012, 563765, 671720, 789271, 902024, 1127530, 1578542, 2255060, 3157084, 3946355, 4510120, 6314168, 7892710, 15785420, 31570840]

約数ペア:

[(1, 31570840), (2, 15785420), (4, 7892710), (5, 6314168), (7, 4510120), (8, 3946355), (10, 3157084), (14, 2255060), (20, 1578542), (28, 1127530), (35, 902024), (40, 789271), (47, 671720), (56, 563765), (70, 451012), (94, 335860), (140, 225506), (188, 167930), (235, 134344), (280, 112753), (329, 95960), (376, 83965), (470, 67172), (658, 47980), (940, 33586), (1316, 23990), (1645, 19192), (1880, 16793), (2399, 13160), (2632, 11995), (3290, 9596), (4798, 6580)]