20148100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 50621760

約数和(自身を除く): 30473660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 107, 140, 175, 214, 269, 350, 428, 535, 538, 700, 749, 1070, 1076, 1345, 1498, 1883, 2140, 2675, 2690, 2996, 3745, 3766, 5350, 5380, 6725, 7490, 7532, 9415, 10700, 13450, 14980, 18725, 18830, 26900, 28783, 37450, 37660, 47075, 57566, 74900, 94150, 115132, 143915, 188300, 201481, 287830, 402962, 575660, 719575, 805924, 1007405, 1439150, 2014810, 2878300, 4029620, 5037025, 10074050, 20148100]

約数ペア:

[(1, 20148100), (2, 10074050), (4, 5037025), (5, 4029620), (7, 2878300), (10, 2014810), (14, 1439150), (20, 1007405), (25, 805924), (28, 719575), (35, 575660), (50, 402962), (70, 287830), (100, 201481), (107, 188300), (140, 143915), (175, 115132), (214, 94150), (269, 74900), (350, 57566), (428, 47075), (535, 37660), (538, 37450), (700, 28783), (749, 26900), (1070, 18830), (1076, 18725), (1345, 14980), (1498, 13450), (1883, 10700), (2140, 9415), (2675, 7532), (2690, 7490), (2996, 6725), (3745, 5380), (3766, 5350)]