380127860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1459}}^1\times {\mathrm{1861}}^1$

素因数の和:3336

約数の個数: 48

約数和(自身を含む): 913422720

約数和(自身を除く): 533294860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1459, 1861, 2918, 3722, 5836, 7295, 7444, 9305, 10213, 13027, 14590, 18610, 20426, 26054, 29180, 37220, 40852, 51065, 52108, 65135, 102130, 130270, 204260, 260540, 2715199, 5430398, 10860796, 13575995, 19006393, 27151990, 38012786, 54303980, 76025572, 95031965, 190063930, 380127860]

約数ペア:

[(1, 380127860), (2, 190063930), (4, 95031965), (5, 76025572), (7, 54303980), (10, 38012786), (14, 27151990), (20, 19006393), (28, 13575995), (35, 10860796), (70, 5430398), (140, 2715199), (1459, 260540), (1861, 204260), (2918, 130270), (3722, 102130), (5836, 65135), (7295, 52108), (7444, 51065), (9305, 40852), (10213, 37220), (13027, 29180), (14590, 26054), (18610, 20426)]