306410020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{3833}}^1$

素因数の和:4420

約数の個数: 48

約数和(自身を含む): 736864128

約数和(自身を除く): 430454108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3833, 3997, 5710, 7666, 7994, 11420, 15332, 15988, 19165, 19985, 26831, 38330, 39970, 53662, 76660, 79940, 107324, 134155, 268310, 536620, 2188643, 4377286, 8754572, 10943215, 15320501, 21886430, 30641002, 43772860, 61282004, 76602505, 153205010, 306410020]

約数ペア:

[(1, 306410020), (2, 153205010), (4, 76602505), (5, 61282004), (7, 43772860), (10, 30641002), (14, 21886430), (20, 15320501), (28, 10943215), (35, 8754572), (70, 4377286), (140, 2188643), (571, 536620), (1142, 268310), (2284, 134155), (2855, 107324), (3833, 79940), (3997, 76660), (5710, 53662), (7666, 39970), (7994, 38330), (11420, 26831), (15332, 19985), (15988, 19165)]