83684740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1153}}^1$

素因数の和:1372

約数の個数: 48

約数和(自身を含む): 186117120

約数和(自身を除く): 102432380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1153, 1910, 2306, 3629, 3820, 4612, 5765, 7258, 11530, 14516, 18145, 21907, 23060, 36290, 43814, 72580, 87628, 109535, 219070, 220223, 438140, 440446, 880892, 1101115, 2202230, 4184237, 4404460, 8368474, 16736948, 20921185, 41842370, 83684740]

約数ペア:

[(1, 83684740), (2, 41842370), (4, 20921185), (5, 16736948), (10, 8368474), (19, 4404460), (20, 4184237), (38, 2202230), (76, 1101115), (95, 880892), (190, 440446), (191, 438140), (380, 220223), (382, 219070), (764, 109535), (955, 87628), (1153, 72580), (1910, 43814), (2306, 36290), (3629, 23060), (3820, 21907), (4612, 18145), (5765, 14516), (7258, 11530)]