161749090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 157585310

約数列:

[1, 2, 5, 10, 19, 38, 47, 59, 94, 95, 118, 190, 235, 295, 307, 470, 590, 614, 893, 1121, 1535, 1786, 2242, 2773, 3070, 4465, 5546, 5605, 5833, 8930, 11210, 11666, 13865, 14429, 18113, 27730, 28858, 29165, 36226, 52687, 58330, 72145, 90565, 105374, 144290, 181130, 263435, 274151, 344147, 526870, 548302, 688294, 851311, 1370755, 1702622, 1720735, 2741510, 3441470, 4256555, 8513110, 16174909, 32349818, 80874545, 161749090]

約数ペア:

[(1, 161749090), (2, 80874545), (5, 32349818), (10, 16174909), (19, 8513110), (38, 4256555), (47, 3441470), (59, 2741510), (94, 1720735), (95, 1702622), (118, 1370755), (190, 851311), (235, 688294), (295, 548302), (307, 526870), (470, 344147), (590, 274151), (614, 263435), (893, 181130), (1121, 144290), (1535, 105374), (1786, 90565), (2242, 72145), (2773, 58330), (3070, 52687), (4465, 36226), (5546, 29165), (5605, 28858), (5833, 27730), (8930, 18113), (11210, 14429), (11666, 13865)]