2489970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 6967296

約数和(自身を除く): 4477326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 142, 167, 210, 213, 334, 355, 426, 497, 501, 710, 835, 994, 1002, 1065, 1169, 1491, 1670, 2130, 2338, 2485, 2505, 2982, 3507, 4970, 5010, 5845, 7014, 7455, 11690, 11857, 14910, 17535, 23714, 35070, 35571, 59285, 71142, 82999, 118570, 165998, 177855, 248997, 355710, 414995, 497994, 829990, 1244985, 2489970]

約数ペア:

[(1, 2489970), (2, 1244985), (3, 829990), (5, 497994), (6, 414995), (7, 355710), (10, 248997), (14, 177855), (15, 165998), (21, 118570), (30, 82999), (35, 71142), (42, 59285), (70, 35571), (71, 35070), (105, 23714), (142, 17535), (167, 14910), (210, 11857), (213, 11690), (334, 7455), (355, 7014), (426, 5845), (497, 5010), (501, 4970), (710, 3507), (835, 2982), (994, 2505), (1002, 2485), (1065, 2338), (1169, 2130), (1491, 1670)]