38131940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2251}}^1$

素因数の和:2289

約数の個数: 72

約数和(自身を含む): 100637376

約数和(自身を除く): 62505436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2251, 2420, 3388, 4235, 4502, 8470, 9004, 11255, 15757, 16940, 22510, 24761, 31514, 45020, 49522, 63028, 78785, 99044, 123805, 157570, 173327, 247610, 272371, 315140, 346654, 495220, 544742, 693308, 866635, 1089484, 1361855, 1733270, 1906597, 2723710, 3466540, 3813194, 5447420, 7626388, 9532985, 19065970, 38131940]

約数ペア:

[(1, 38131940), (2, 19065970), (4, 9532985), (5, 7626388), (7, 5447420), (10, 3813194), (11, 3466540), (14, 2723710), (20, 1906597), (22, 1733270), (28, 1361855), (35, 1089484), (44, 866635), (55, 693308), (70, 544742), (77, 495220), (110, 346654), (121, 315140), (140, 272371), (154, 247610), (220, 173327), (242, 157570), (308, 123805), (385, 99044), (484, 78785), (605, 63028), (770, 49522), (847, 45020), (1210, 31514), (1540, 24761), (1694, 22510), (2251, 16940), (2420, 15757), (3388, 11255), (4235, 9004), (4502, 8470)]