38100020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3833}}^1$

素因数の和:3920

約数の個数: 48

約数和(自身を含む): 92752128

約数和(自身を除く): 54652108

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, 3833, 4970, 7666, 9940, 15332, 19165, 26831, 38330, 53662, 76660, 107324, 134155, 268310, 272143, 536620, 544286, 1088572, 1360715, 1905001, 2721430, 3810002, 5442860, 7620004, 9525005, 19050010, 38100020]

約数ペア:

[(1, 38100020), (2, 19050010), (4, 9525005), (5, 7620004), (7, 5442860), (10, 3810002), (14, 2721430), (20, 1905001), (28, 1360715), (35, 1088572), (70, 544286), (71, 536620), (140, 272143), (142, 268310), (284, 134155), (355, 107324), (497, 76660), (710, 53662), (994, 38330), (1420, 26831), (1988, 19165), (2485, 15332), (3833, 9940), (4970, 7666)]