1288335020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{60943}}^1$

素因数の和:61110

約数の個数: 48

約数和(自身を含む): 3112531968

約数和(自身を除く): 1824196948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 1057, 1510, 2114, 3020, 4228, 5285, 10570, 21140, 60943, 121886, 243772, 304715, 426601, 609430, 853202, 1218860, 1706404, 2133005, 4266010, 8532020, 9202393, 18404786, 36809572, 46011965, 64416751, 92023930, 128833502, 184047860, 257667004, 322083755, 644167510, 1288335020]

約数ペア:

[(1, 1288335020), (2, 644167510), (4, 322083755), (5, 257667004), (7, 184047860), (10, 128833502), (14, 92023930), (20, 64416751), (28, 46011965), (35, 36809572), (70, 18404786), (140, 9202393), (151, 8532020), (302, 4266010), (604, 2133005), (755, 1706404), (1057, 1218860), (1510, 853202), (2114, 609430), (3020, 426601), (4228, 304715), (5285, 243772), (10570, 121886), (21140, 60943)]