4994990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 12096000

約数和(自身を除く): 7101010

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 499, 715, 770, 910, 998, 1001, 1430, 2002, 2495, 3493, 4990, 5005, 5489, 6487, 6986, 10010, 10978, 12974, 17465, 27445, 32435, 34930, 38423, 45409, 54890, 64870, 71357, 76846, 90818, 142714, 192115, 227045, 356785, 384230, 454090, 499499, 713570, 998998, 2497495, 4994990]

約数ペア:

[(1, 4994990), (2, 2497495), (5, 998998), (7, 713570), (10, 499499), (11, 454090), (13, 384230), (14, 356785), (22, 227045), (26, 192115), (35, 142714), (55, 90818), (65, 76846), (70, 71357), (77, 64870), (91, 54890), (110, 45409), (130, 38423), (143, 34930), (154, 32435), (182, 27445), (286, 17465), (385, 12974), (455, 10978), (499, 10010), (715, 6986), (770, 6487), (910, 5489), (998, 5005), (1001, 4990), (1430, 3493), (2002, 2495)]