227988580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1\times {\mathrm{751}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 491952384

約数和(自身を除く): 263963804

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 353, 430, 706, 751, 860, 1412, 1502, 1765, 3004, 3530, 3755, 7060, 7510, 15020, 15179, 30358, 32293, 60716, 64586, 75895, 129172, 151790, 161465, 265103, 303580, 322930, 530206, 645860, 1060412, 1325515, 2651030, 5302060, 11399429, 22798858, 45597716, 56997145, 113994290, 227988580]

約数ペア:

[(1, 227988580), (2, 113994290), (4, 56997145), (5, 45597716), (10, 22798858), (20, 11399429), (43, 5302060), (86, 2651030), (172, 1325515), (215, 1060412), (353, 645860), (430, 530206), (706, 322930), (751, 303580), (860, 265103), (1412, 161465), (1502, 151790), (1765, 129172), (3004, 75895), (3530, 64586), (3755, 60716), (7060, 32293), (7510, 30358), (15020, 15179)]