29829940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3001}}^1$

素因数の和:3088

約数の個数: 48

約数和(自身を含む): 72624384

約数和(自身を除く): 42794444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 3001, 4970, 6002, 9940, 12004, 15005, 21007, 30010, 42014, 60020, 84028, 105035, 210070, 213071, 420140, 426142, 852284, 1065355, 1491497, 2130710, 2982994, 4261420, 5965988, 7457485, 14914970, 29829940]

約数ペア:

[(1, 29829940), (2, 14914970), (4, 7457485), (5, 5965988), (7, 4261420), (10, 2982994), (14, 2130710), (20, 1491497), (28, 1065355), (35, 852284), (70, 426142), (71, 420140), (140, 213071), (142, 210070), (284, 105035), (355, 84028), (497, 60020), (710, 42014), (994, 30010), (1420, 21007), (1988, 15005), (2485, 12004), (3001, 9940), (4970, 6002)]