7440090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 20736000

約数和(自身を除く): 13295910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 210, 213, 355, 426, 497, 499, 710, 994, 998, 1065, 1491, 1497, 2130, 2485, 2495, 2982, 2994, 3493, 4970, 4990, 6986, 7455, 7485, 10479, 14910, 14970, 17465, 20958, 34930, 35429, 52395, 70858, 104790, 106287, 177145, 212574, 248003, 354290, 496006, 531435, 744009, 1062870, 1240015, 1488018, 2480030, 3720045, 7440090]

約数ペア:

[(1, 7440090), (2, 3720045), (3, 2480030), (5, 1488018), (6, 1240015), (7, 1062870), (10, 744009), (14, 531435), (15, 496006), (21, 354290), (30, 248003), (35, 212574), (42, 177145), (70, 106287), (71, 104790), (105, 70858), (142, 52395), (210, 35429), (213, 34930), (355, 20958), (426, 17465), (497, 14970), (499, 14910), (710, 10479), (994, 7485), (998, 7455), (1065, 6986), (1491, 4990), (1497, 4970), (2130, 3493), (2485, 2994), (2495, 2982)]