359163460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{2153}}^1$

素因数の和:2620

約数の個数: 48

約数和(自身を含む): 796118400

約数和(自身を除く): 436954940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 1756, 2153, 2195, 4306, 4390, 8341, 8612, 8780, 10765, 16682, 21530, 33364, 40907, 41705, 43060, 81814, 83410, 163628, 166820, 204535, 409070, 818140, 945167, 1890334, 3780668, 4725835, 9451670, 17958173, 18903340, 35916346, 71832692, 89790865, 179581730, 359163460]

約数ペア:

[(1, 359163460), (2, 179581730), (4, 89790865), (5, 71832692), (10, 35916346), (19, 18903340), (20, 17958173), (38, 9451670), (76, 4725835), (95, 3780668), (190, 1890334), (380, 945167), (439, 818140), (878, 409070), (1756, 204535), (2153, 166820), (2195, 163628), (4306, 83410), (4390, 81814), (8341, 43060), (8612, 41705), (8780, 40907), (10765, 33364), (16682, 21530)]